THW-2

THW-2

Building Wire Ground Wire

THW-2 wire is commonly used in general purpose wiring circuits, as machine tool wiring, and for internal appliance wiring. Other applications include refrigeration wiring, air conditioning equipment, machine control wiring, service entrances, and some motor types.

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Oil & Gas Resistant Oil & Gas Resistant
600 V Maximum Voltage

THW-2 is a single copper conductor insulated with a sunlight-resistant green PVC. This wire is dual rated for 600 V and can operate safely in wet or dry locations ranging from -25°C TO 90°C.

THW-2 is frequently used in cellular tower grounding, communications grounding, and other general telecommunication grounding applications. It can also be used in conduit and other recognized raceways for services, feeders, and branch circuit wiring. THW-2 is suitable for power and lighting in residential, commercial, and industrial uses.

Standard Products

  • Sizes #14 AWG through 500 MCM

 

KrisTech’s THW-2 meets the following standards and tests, including:

  • ASTM B-1, B-3, B-8, B-33, and B-173
  • UL 1685
  • NFPA 70 / NEC 310
  • CSA C22.2 NO. 75

  • Conductors – Single conductors are stranded and available in annealed or hardened and tin-coated or uncoated copper configurations.
  • Insulation – Conductors are insulated with a concentrically applied PVC (polyvinyl chloride).

Print legends on the wire include the manufacturer, conductor size, voltage rating, UL symbol (if applicable) and type designation. Standard length spools are 500 or 2,500 feet.

Print Legend – KRISTECH WIRE CO. #XX AWG TYPE TW OR THW OR THW-2 90C 600V (UL) OR TW C(UL)

Paralleling & Cabling

Multiple wire runs on a single reel

Dyeing

Change the color of single PVC insulated conductors

Striping

Parallel and cylindrical/twist striping for insulated single-conductor wire

Wire Identification

Custom print legends and choice of 10 insulation colors

Custom Lengths

Coils and reels cut to length

Labeling & Packaging

Product labels, shipment ID markers, optional knock-out boxes

Specifications

AWG Standard Number of Strands Insulation Thickness (Mils) Nominal Overall Diameter (Inches) Approx. Shipping Weight (Lbs./1000') Ampacity @ 90°C*
14 1, 19 30 0.12 / 0.13 18 / 19 25
12 1, 19 30 0.14 / 0.15 26 / 27 30
10 1, 19 30 0.16 / 0.18 39 / 40 40
8 1, 7 45 0.22 / 0.24 65 / 66 55
6 1, 7 60 0.28 / 0.30 105 / 107 75
4 7, 133 60 0.35 / 0.38 160 / 163 95
2 7, 133 60 0.41 / 0.45 242 / 246 130
1 19 80 0.49 316 145
1/0 19 80 0.53 390 170
2/0 19 80 0.58 481 195
3/0 19 80 0.63 593 225
4/0 19 80 0.69 739 260
250 MCM 37 95 0.77 884 290
300 MCM 37 95 0.82 1045 320
350 MCM 37 95 0.87 1213 350
400 MCM 37 95 0.95 1379 380
500 MCM 37 95 1.00 1725 430
* Ampacity is from NEC Article 310. Check with local codes authority for guidance with your application.

Don’t Let Delays Sideline Your Next Project

Stay on track and on budget with KrisTech. Our team is ready to help you find the wire you need without the long wait times.



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