Transformer Riser Wire

Scope

Transformer Riser Wire is used in uninsulated transformer wire applications up to and including 35 kV, providing excellent mechanical, abrasion, moisture, chemical and oil resistance. For this application the HMWPE is not considered an electrical insulation; however, it does reduce faults due to atmospheric conditions, vibrations and crossed leads.

Applicable Standards and Tests

UL 44, UL 83, UL 1581, and UL 2556, ASTM B-1, B-3, B-8, B-33, B-172, B-174, and B-286, QQ-W343E, NMX-J-451-ANCE and CSA C22.2 No 38-10

Construction

Conductors: Single copper conductors are solid or stranded, annealed or hard uncoated copper

Insulation: Black, sunlight resistant polyethylene with concentrically applied insulation, Type I, Class A, Cat 4, and Grades E4-E5. Types II, III, and IV are available on request.

Note: This product, when requested, is also available in Cross Linked Polyethylene (XLPE) insulation.

Identification and Packaging

The wire shall be identified by surface marking indicating the manufacturer and AWG size. Long length bulk reels are standard. Custom lengths, colors, stranding and packaging are available by request.

AWGStandard Number of StrandsInsulation Thickness (Inches)Nominal Overall Diameter-Inches (Standard Strands)Approx. Shipping Weight (Lbs/Mft)Nominal DC Resistance OHM/1000 ft @ 20ºC
81, 7.110.37870.653
61, 7.110.401220.411
41, 7.110.451750.258
27.110.512600.162
119.125.583300.129
1/019.125.624050.102

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