{"id":7125,"date":"2026-06-22T23:38:55","date_gmt":"2026-06-23T03:38:55","guid":{"rendered":"https:\/\/www.kristechwire.com\/perspectivas\/tablas-de-ampacidad-del-codigo-electrico-nacional\/"},"modified":"2026-07-08T12:32:54","modified_gmt":"2026-07-08T16:32:54","slug":"tablas-de-ampacidad-del-codigo-electrico-nacional","status":"publish","type":"page","link":"https:\/\/www.kristechwire.com\/es\/perspectivas\/tablas-de-ampacidad-del-codigo-electrico-nacional\/","title":{"rendered":"Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional"},"content":{"rendered":"<section id=\"acf-hero-block_77d2d065fa4e65b414b99179233fcc6e\" class=\"acf-block-hero pt-9 pb-9 position-relative d-flex flex-column justify-content-center align-items-center\">            <div class=\"acf-block-hero__bg position-absolute top-0 start-0 w-100 h-100 pe-none\" aria-hidden=\"true\">            <img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1.webp\" class=\"cover-fill\" alt=\"\" style=\"opacity:0.25\" srcset=\"https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1.webp 1920w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-200x113.webp 200w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-400x225.webp 400w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-576x324.webp 576w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-1152x648.webp 1152w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-768x432.webp 768w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-1536x864.webp 1536w, https:\/\/www.kristechwire.com\/files\/2026\/05\/shutterstock_628674341-Duotone-3-1-1060x596.webp 1060w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/>            <div class=\"acf-block-hero__bg-gradient cover-fill\"><\/div>        <\/div>        <div class=\"acf-block-hero__content container position-relative z-index-2\" >                    <div class=\"d-flex flex-column align-items-center gap-5 text-center\">                <div class=\"d-flex flex-column align-items-center gap-2\">                                        <div data-anim=\"fade-in\" data-anim-delay=\"0.2\">                                    <h1 class=\" text-hero text-hero lh-1 text-white\">Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional<\/h1>                                <\/div>                <\/div>                                            <\/div>            <\/div><\/section><section id=\"acf-content-wrapper-start-block_b02c0f565cfbfca81e1e7b959b465a84\" class=\"acf-block-content-wrapper-start\">    <div class=\"container\">        <div class=\"row justify-content-center\">            <div class=\"col-xxl-10\" data-anim=\"fade-in\">                <div class=\"acf-block-content-wrapper-start__card entry-content bg-white text-dark py-8 px-9 text-body-l\"><h2 class=\"wp-block-heading\">\u00bfQu\u00e9 es la ampacidad?<\/h2><p class=\"wp-block-paragraph\">Cuando medimos la ampacidad, tambi\u00e9n conocida como capacidad de amperaje, nos referimos a la corriente el\u00e9ctrica m\u00e1s alta que un cable puede transportar de forma segura sin sobrecalentarse o exceder la protecci\u00f3n del aislamiento o la cubierta. La clasificaci\u00f3n de ampacidad de un cable est\u00e1 dictada por el C\u00f3digo El\u00e9ctrico Nacional (NEC). <\/p><p class=\"wp-block-paragraph\"><a  href=\"https:\/\/www.kristechwire.com\/what-to-know-about-wire-gauge-size-ampacity-and-voltage\/\" target=\"_blank\" rel=\"noopener noreferrer\">La ampacidad depende de varios factores<\/a>, incluyendo el metal utilizado para fabricar el cable, su aislamiento y la temperatura ambiente. Utilizando la clasificaci\u00f3n de ampacidad, podemos determinar qu\u00e9 tan bien un cable dado disipa el calor a medida que la corriente pasa a trav\u00e9s de \u00e9l. <\/p><p class=\"wp-block-paragraph\">Es importante recordar que cuanto m\u00e1s corriente se mueve a trav\u00e9s de un conductor, m\u00e1s calor se genera. Aseg\u00farese de que los conductores tengan suficiente espacio a su alrededor para <a  href=\"https:\/\/www.kristechwire.com\/how-does-conduit-fill-capacity-work\/\" target=\"_blank\" rel=\"noopener noreferrer\">disipar el calor correctamente<\/a>. Los cables que superan sus clasificaciones de ampacidad pueden generar un calor excesivo, lo que lleva a fallos en el aislamiento e incendios.  <\/p><h2 class=\"wp-block-heading\">Conductores de cobre:<\/h2><p class=\"wp-block-paragraph\"><em>Tabla 310.16 del NEC \u2013 Ampacidades de conductores aislados con no m\u00e1s de tres conductores portadores de corriente en conductos, cables o tierra (enterrados directamente)<\/em><\/p><p class=\"wp-block-paragraph\">Estas ampacidades son v\u00e1lidas para una temperatura ambiente de 30 \u00b0C (86 \u00b0F). Las temperaturas ambiente m\u00e1s altas requieren una ampacidad reducida. Adem\u00e1s, si se agrupan m\u00e1s de tres conductores, la ampacidad debe reducirse para permitir la disipaci\u00f3n del calor.  <\/p>                <\/div>            <\/div>        <\/div>    <\/div><\/section><div id=\"acf-spacer-block_b5c0b9da9dceb13076c0b81ca5814a38\" class=\"acf-block-spacer mt-8 mb-8\"><\/div><!-- \u2500\u2500 Output \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><div id=\"acf-specs-table-block_0cd4bf2484178375fb07eea3368399fd\" class=\"acf-block-specs-table\">    <div class=\"container\" data-anim=\"fade-in\">                                            <div class=\"acf-block-specs-table__panel js-specs-panel is-active\"                     data-tab-index=\"0\">                                            <div class=\"overflow-auto\">                            <table class=\"acf-block-specs-table__table w-100 text-center fw-bold text-white\">                                                                    <caption class=\"acf-block-specs-table__caption bg-dark fw-bold text-white text-center\">                                        Conductores de cobre                                    <\/caption>                                                                <thead>                                    <tr class=\"acf-block-specs-table__header-row\">                                                                                    <th scope=\"col\">Tama\u00f1o del conductor (AWG o kcmil)<\/th>                                                                                    <th scope=\"col\">60 \u00b0C (140 \u00b0F) TW y UF<\/th>                                                                                    <th scope=\"col\">75 \u00b0C (167 \u00b0F) RHW, THHW, THW, THWN, XHHW, XHWN, USE, ZW<\/th>                                                                                    <th scope=\"col\">90 \u00b0C (194 \u00b0F) TBS, SA, SIS, FEP, FEPB, MI, PFA, RHH, RHW-2, THHN, THHW, THW-2, THWN-2, USE-2, XHH, XHHW, XHHW-2, XHWN, XHWN-2, XHHN, Z, ZW-2<\/th>                                                                            <\/tr>                                <\/thead>                                <tbody>                                                                            <tr>                                                                                                                                                <th scope=\"row\">18*<\/th>                                                                                                                                                                                                <td>\u2013<\/td>                                                                                                                                                                                                <td>\u2013<\/td>                                                                                                                                                                                                <td>14<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">16*<\/th>                                                                                                                                                                                                <td>\u2013<\/td>                                                                                                                                                                                                <td>\u2013<\/td>                                                                                                                                                                                                <td>18<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">14*<\/th>                                                                                                                                                                                                <td>15<\/td>                                                                                                                                                                                                <td>20<\/td>                                                                                                                                                                                                <td>25<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">12*<\/th>                                                                                                                                                                                                <td>20<\/td>                                                                                                                                                                                                <td>25<\/td>                                                                                                                                                                                                <td>30<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">10*<\/th>                                                                                                                                                                                                <td>30<\/td>                                                                                                                                                                                                <td>35<\/td>                                                                                                                                                                                                <td>40<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">8<\/th>                                                                                                                                                                                                <td>40<\/td>                                                                                                                                                                                                <td>50<\/td>                                                                                                                                                                                                <td>55<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">6<\/th>                                                                                                                                                                                                <td>55<\/td>                                                                                                                                                                                                <td>65<\/td>                                                                                                                                                                                                <td>75<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">4<\/th>                                                                                                                                                                                                <td>70<\/td>                                                                                                                                                                                                <td>85<\/td>                                                                                                                                                                                                <td>95<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">3<\/th>                                                                                                                                                                                                <td>85<\/td>                                                                                                                                                                                                <td>100<\/td>                                                                                                                                                                                                <td>115<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">2<\/th>                                                                                                                                                                                                <td>95<\/td>                                                                                                                                                                                                <td>115<\/td>                                                                                                                                                                                                <td>130<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">1<\/th>                                                                                                                                                                                                <td>110<\/td>                                                                                                                                                                                                <td>130<\/td>                                                                                                                                                                                                <td>145<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">1\/0<\/th>                                                                                                                                                                                                <td>125<\/td>                                                                                                                                                                                                <td>150<\/td>                                                                                                                                                                                                <td>170<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">2\/0<\/th>                                                                                                                                                                                                <td>145<\/td>                                                                                                                                                                                                <td>175<\/td>                                                                                                                                                                                                <td>195<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">3\/0<\/th>                                                                                                                                                                                                <td>165<\/td>                                                                                                                                                                                                <td>200<\/td>                                                                                                                                                                                                <td>225<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">4\/0<\/th>                                                                                                                                                                                                <td>198<\/td>                                                                                                                                                                                                <td>230<\/td>                                                                                                                                                                                                <td>260<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">250<\/th>                                                                                                                                                                                                <td>215<\/td>                                                                                                                                                                                                <td>255<\/td>                                                                                                                                                                                                <td>290<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">300<\/th>                                                                                                                                                                                                <td>240<\/td>                                                                                                                                                                                                <td>285<\/td>                                                                                                                                                                                                <td>320<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">350<\/th>                                                                                                                                                                                                <td>260<\/td>                                                                                                                                                                                                <td>310<\/td>                                                                                                                                                                                                <td>350<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">400<\/th>                                                                                                                                                                                                <td>280<\/td>                                                                                                                                                                                                <td>335<\/td>                                                                                                                                                                                                <td>380<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">500<\/th>                                                                                                                                                                                                <td>320<\/td>                                                                                                                                                                                                <td>380<\/td>                                                                                                                                                                                                <td>430<\/td>                                                                                                                                                                                <\/tr>                                                                    <\/tbody>                            <\/table>                        <\/div>                                                    <div class=\"text-body-s text-white mt-3\">                                *Se har\u00e1 referencia a la Secci\u00f3n 240.4(D) para las limitaciones de protecci\u00f3n contra sobrecorriente del conductor, excepto seg\u00fan se modifique en otras partes del C\u00f3digo.                            <\/div>                                                            <\/div>                        <\/div><\/div><div id=\"acf-spacer-block_b5c0b9da9dceb13076c0b81ca5814a38\" class=\"acf-block-spacer mt-8 mb-8\"><\/div><section id=\"acf-content-wrapper-start-block_b02c0f565cfbfca81e1e7b959b465a84\" class=\"acf-block-content-wrapper-start\">    <div class=\"container\">        <div class=\"row justify-content-center\">            <div class=\"col-xxl-10\" data-anim=\"fade-in\">                <div class=\"acf-block-content-wrapper-start__card entry-content bg-white text-dark py-8 px-9 text-body-l\"><h2 class=\"wp-block-heading\">Conductores de aluminio y acero revestido de cobre (CCS):<\/h2><p class=\"wp-block-paragraph\"><em>Tabla 310.16 del NEC \u2013 Ampacidades de conductores aislados con no m\u00e1s de tres conductores portadores de corriente en conductos, cables o tierra (enterrados directamente)<\/em><\/p><p class=\"wp-block-paragraph\">Estas ampacidades son v\u00e1lidas para una temperatura ambiente de 30 \u00b0C (86 \u00b0F). Las temperaturas ambiente m\u00e1s altas requieren una ampacidad reducida. Adem\u00e1s, si se agrupan m\u00e1s de tres conductores, la ampacidad debe reducirse para permitir la disipaci\u00f3n del calor.  <\/p>                <\/div>            <\/div>        <\/div>    <\/div><\/section><div id=\"acf-spacer-block_b5c0b9da9dceb13076c0b81ca5814a38\" class=\"acf-block-spacer mt-8 mb-8\"><\/div><!-- \u2500\u2500 Output \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><div id=\"acf-specs-table-block_de0177ba55d1e8ed55051d3f0166689a\" class=\"acf-block-specs-table\">    <div class=\"container\" data-anim=\"fade-in\">                                            <div class=\"acf-block-specs-table__panel js-specs-panel is-active\"                     data-tab-index=\"0\">                                            <div class=\"overflow-auto\">                            <table class=\"acf-block-specs-table__table w-100 text-center fw-bold text-white\">                                                                    <caption class=\"acf-block-specs-table__caption bg-dark fw-bold text-white text-center\">                                        Conductores de aluminio y acero revestido de cobre (CCS)                                    <\/caption>                                                                <thead>                                    <tr class=\"acf-block-specs-table__header-row\">                                                                                    <th scope=\"col\">Tama\u00f1o del conductor (AWG o kcmil)<\/th>                                                                                    <th scope=\"col\">60 \u00b0C (140 \u00b0F) TW y UF<\/th>                                                                                    <th scope=\"col\">75 \u00b0C (167 \u00b0F) RHW, THHW, THW, THWN, XHHW, XHWN, USE<\/th>                                                                                    <th scope=\"col\">90 \u00b0C (194 \u00b0F) TBS, SA, SIS, THHN, THHW, THW-2, THWN-2, RHH, RHW-2, USE-2, XHH, XHHW, XHHW-2, XHWN, XHWN-2, XHHN<\/th>                                                                            <\/tr>                                <\/thead>                                <tbody>                                                                            <tr>                                                                                                                                                <th scope=\"row\">12*<\/th>                                                                                                                                                                                                <td>15<\/td>                                                                                                                                                                                                <td>20<\/td>                                                                                                                                                                                                <td>25<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">10*<\/th>                                                                                                                                                                                                <td>25<\/td>                                                                                                                                                                                                <td>30<\/td>                                                                                                                                                                                                <td>35<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">8<\/th>                                                                                                                                                                                                <td>35<\/td>                                                                                                                                                                                                <td>40<\/td>                                                                                                                                                                                                <td>45<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">6<\/th>                                                                                                                                                                                                <td>40<\/td>                                                                                                                                                                                                <td>50<\/td>                                                                                                                                                                                                <td>55<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">4<\/th>                                                                                                                                                                                                <td>55<\/td>                                                                                                                                                                                                <td>65<\/td>                                                                                                                                                                                                <td>75<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">3<\/th>                                                                                                                                                                                                <td>65<\/td>                                                                                                                                                                                                <td>75<\/td>                                                                                                                                                                                                <td>85<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">2<\/th>                                                                                                                                                                                                <td>75<\/td>                                                                                                                                                                                                <td>90<\/td>                                                                                                                                                                                                <td>100<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">1<\/th>                                                                                                                                                                                                <td>85<\/td>                                                                                                                                                                                                <td>100<\/td>                                                                                                                                                                                                <td>115<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">1\/0<\/th>                                                                                                                                                                                                <td>100<\/td>                                                                                                                                                                                                <td>120<\/td>                                                                                                                                                                                                <td>135<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">2\/0<\/th>                                                                                                                                                                                                <td>115<\/td>                                                                                                                                                                                                <td>135<\/td>                                                                                                                                                                                                <td>150<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">3\/0<\/th>                                                                                                                                                                                                <td>130<\/td>                                                                                                                                                                                                <td>155<\/td>                                                                                                                                                                                                <td>175<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">4\/0<\/th>                                                                                                                                                                                                <td>150<\/td>                                                                                                                                                                                                <td>180<\/td>                                                                                                                                                                                                <td>205<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">250<\/th>                                                                                                                                                                                                <td>170<\/td>                                                                                                                                                                                                <td>205<\/td>                                                                                                                                                                                                <td>230<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">300<\/th>                                                                                                                                                                                                <td>195<\/td>                                                                                                                                                                                                <td>230<\/td>                                                                                                                                                                                                <td>260<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">350<\/th>                                                                                                                                                                                                <td>210<\/td>                                                                                                                                                                                                <td>250<\/td>                                                                                                                                                                                                <td>280<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">400<\/th>                                                                                                                                                                                                <td>225<\/td>                                                                                                                                                                                                <td>270<\/td>                                                                                                                                                                                                <td>305<\/td>                                                                                                                                                                                <\/tr>                                                                            <tr>                                                                                                                                                <th scope=\"row\">500<\/th>                                                                                                                                                                                                <td>260<\/td>                                                                                                                                                                                                <td>310<\/td>                                                                                                                                                                                                <td>350<\/td>                                                                                                                                                                                <\/tr>                                                                    <\/tbody>                            <\/table>                        <\/div>                                                    <div class=\"text-body-s text-white mt-3\">                                *Se har\u00e1 referencia a la Secci\u00f3n 240.4(D) para las limitaciones de protecci\u00f3n contra sobrecorriente del conductor, excepto seg\u00fan se modifique en otras partes del C\u00f3digo.                            <\/div>                                                            <\/div>                        <\/div><\/div><div id=\"acf-spacer-block_b5c0b9da9dceb13076c0b81ca5814a38\" class=\"acf-block-spacer mt-8 mb-8\"><\/div><section id=\"acf-content-feed-block_56abfaa97f9975ef31d5c4856ca1ce9e\" class=\"acf-block-content-feed pt-9 pb-9 position-relative overflow-hidden\">    <div class=\"container position-relative z-index-1\">            <div class=\"slider-section__heading d-flex justify-content-between align-items-start align-items-md-end flex-md-row gap-md-9 flex-column gap-4 mb-5\" data-anim=\"fade-in\">            <div>                            <h2 class=\" text-h1 text-white w-100\">Informaci\u00f3n sobre cables de construcci\u00f3n<\/h2>                                                <div class=\"entry-content text-white mt-5 \">                        <p>&nbsp;<\/p><p>&nbsp;<\/p>                    <\/div>                            <\/div>                            <div class=\"flex-shrink-0\">                    <div class=\"btn-wrapper justify-content-start\">    <a        href=\"https:\/\/www.kristechwire.com\/es\/perspectivas\/\"        class=\"btn btn--yellow btn--icon-arrow\"                            >                <span>View All Resources<\/span>        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class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" aria-hidden=\"true\">                            <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">                                <path 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text-decoration-none bg-white img-hover-zoom-in\" href=\"https:\/\/www.kristechwire.com\/reading-electrical-wire-print-legend\/\" target=\"_blank\" rel=\"noopener noreferrer\">            <div class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" 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href=\"https:\/\/www.kristechwire.com\/what-is-oxygen-free-copper\/\" target=\"_blank\" rel=\"noopener noreferrer\">            <div class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" aria-hidden=\"true\">                            <svg width=\"24\" 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srcset=\"https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1.webp 1200w, https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1-200x133.webp 200w, https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1-400x267.webp 400w, https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1-576x384.webp 576w, https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1-1152x768.webp 1152w, https:\/\/www.kristechwire.com\/files\/2025\/11\/Copper-Wire-on-a-Reel-KrisTech-Wire-1-768x512.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/>                <\/div>                    <\/a>                                <\/li>                                                <li class=\"splide__slide\">                                    <a  class=\"insight-card insight-card--pill d-flex h-100 overflow-hidden text-decoration-none bg-white img-hover-zoom-in\" href=\"https:\/\/www.kristechwire.com\/are-wire-and-cable-the-same\/\" target=\"_blank\" rel=\"noopener noreferrer\">            <div class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" aria-hidden=\"true\">                           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href=\"https:\/\/www.kristechwire.com\/kris-tech-houston-powers-us-progress\/\" target=\"_blank\" rel=\"noopener noreferrer\">            <div class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" aria-hidden=\"true\">                            <svg 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srcset=\"https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire.webp 1280w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire-200x150.webp 200w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire-400x300.webp 400w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire-576x432.webp 576w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire-1152x864.webp 1152w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Kris-Tech-Houston-Warehouse-Kris-Tech-Wire-768x576.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>                <\/div>                    <\/a>                                <\/li>                                                <li class=\"splide__slide\">                                    <a  class=\"insight-card insight-card--pill d-flex h-100 overflow-hidden text-decoration-none bg-white img-hover-zoom-in\" href=\"https:\/\/www.kristechwire.com\/does-electrical-wire-expire\/\" target=\"_blank\" rel=\"noopener noreferrer\">            <div class=\"insight-card__content flex-fill d-flex flex-column gap-2 p-only-3 p-only-xl-4 p-only-xxl-5\">                <div class=\"insight-card__meta align-items-center justify-content-between gap-2\">                                            <div class=\"insight-card__pill border border-2 border-blue py-only-1 px-only-3\">                            <span class=\"text-body-s fw-bold\">Building Wire<\/span>                        <\/div>                                        <div class=\"insight-card__cta d-flex align-items-center gap-2 ms-auto text-blue\">                                                    <span class=\"text-body fw-bold text-nowrap d-none d-md-inline\">Leer Article<\/span>                                                <div class=\"insight-card__arrow flex-shrink-0\" 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site. KrisTech Wire (Photo via Shutterstock)\" srcset=\"https:\/\/www.kristechwire.com\/files\/2026\/06\/Old-Knob-and-Tube-Wiring-Kris-Tech-Wire-Photo-via-Shutterstock.webp 1000w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Old-Knob-and-Tube-Wiring-Kris-Tech-Wire-Photo-via-Shutterstock-200x133.webp 200w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Old-Knob-and-Tube-Wiring-Kris-Tech-Wire-Photo-via-Shutterstock-400x266.webp 400w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Old-Knob-and-Tube-Wiring-Kris-Tech-Wire-Photo-via-Shutterstock-576x383.webp 576w, https:\/\/www.kristechwire.com\/files\/2026\/06\/Old-Knob-and-Tube-Wiring-Kris-Tech-Wire-Photo-via-Shutterstock-768x511.webp 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>                <\/div>                    <\/a>                                <\/li>                                        <\/ul>            <\/div>        <\/div>        <div class=\"d-flex align-items-start align-items-sm-center flex-column flex-sm-row gap-4 mt-6\" data-anim=\"fade-in\" data-slider-wrapper>                                    <div class=\"slider-section__arrows d-flex align-items-center gap-2 gap-xl-3 ms-auto\">                <button class=\"slider-section__arrow rounded-circle d-flex align-items-center justify-content-center p-0\"                        type=\"button\"                        data-slider-prev                        aria-label=\"Previous slide\">                    <svg width=\"13\" height=\"22\" viewBox=\"0 0 13 22\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">                        <path d=\"M11 2L2 11L11 20\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>                    <\/svg>                <\/button>                <button class=\"slider-section__arrow rounded-circle d-flex align-items-center justify-content-center p-0\"                        type=\"button\"                        data-slider-next                        aria-label=\"Next slide\">                    <svg width=\"13\" height=\"22\" viewBox=\"0 0 13 22\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">                        <path d=\"M2 2L11 11L2 20\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>                    <\/svg>                <\/button>            <\/div>        <\/div>    <\/div><\/section>","protected":false},"excerpt":{"rendered":"\u00bfQu\u00e9 es la ampacidad?Cuando medimos la ampacidad, tambi\u00e9n conocida como capacidad de amperaje, nos referimos a la corriente el\u00e9ctrica m\u00e1s alta que un cable puede transportar de forma segura sin sobrecalentarse o exceder la protecci\u00f3n del aislamiento o la cubierta. La clasificaci\u00f3n de ampacidad de un cable est\u00e1 dictada por el C\u00f3digo El\u00e9ctrico Nacional (NEC). [&hellip;]","protected":false},"author":12,"featured_media":0,"parent":6378,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-7125","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional - KrisTech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kristechwire.com\/es\/perspectivas\/tablas-de-ampacidad-del-codigo-electrico-nacional\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional - KrisTech\" \/>\n<meta property=\"og:description\" content=\"\u00bfQu\u00e9 es la ampacidad?Cuando medimos la ampacidad, tambi\u00e9n conocida como capacidad de amperaje, nos referimos a la corriente el\u00e9ctrica m\u00e1s alta que un cable puede transportar de forma segura sin sobrecalentarse o exceder la protecci\u00f3n del aislamiento o la cubierta. La clasificaci\u00f3n de ampacidad de un cable est\u00e1 dictada por el C\u00f3digo El\u00e9ctrico Nacional (NEC). [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kristechwire.com\/es\/perspectivas\/tablas-de-ampacidad-del-codigo-electrico-nacional\/\" \/>\n<meta property=\"og:site_name\" content=\"KrisTech\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-08T16:32:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kristechwire.com\/files\/2026\/07\/KT-Opengraph.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional - KrisTech","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kristechwire.com\/es\/perspectivas\/tablas-de-ampacidad-del-codigo-electrico-nacional\/","og_locale":"es_ES","og_type":"article","og_title":"Tablas de Ampacidad del C\u00f3digo El\u00e9ctrico Nacional - KrisTech","og_description":"\u00bfQu\u00e9 es la ampacidad?Cuando medimos la ampacidad, tambi\u00e9n conocida como capacidad de amperaje, nos referimos a la corriente el\u00e9ctrica m\u00e1s alta que un cable puede transportar de forma segura sin sobrecalentarse o exceder la protecci\u00f3n del aislamiento o la cubierta. La clasificaci\u00f3n de ampacidad de un cable est\u00e1 dictada por el C\u00f3digo El\u00e9ctrico Nacional (NEC). 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