ISO 9001:2008ISO 9001
  • Type SIS

    Single conductor crosslinked polyethylene (XLP or XLPE) Type SIS VW-1 for use at 600 Volts or less. Approved per NEC Article 384 for instrument and control wiring where wiring is required to pass the UL vertical flame test. Rated for a maximum continuous operating temperature of 90 ºC in wet and dry locations.


    • Solid or stranded conductor, annealed or hard, coated or uncoated copper per UL83 and ASTM requirements.
    • Insulated with XLP as specified and applied tightly to the conductor in a concentric manner.
    • Conductors are ""Oil and Gas Resistant II""
    • The standard color is gray.
    • All black insulation is rated ""Sunlight Resistant"".
    • The minimum at any point shall not be less than 90 % of the specified average thickness in compliance with UL 44.
    • Identified by surface marking indicating manufacturers identification, conductor size, voltage rating, and UL symbol, VW-1, and type designation.
    • Continuously spark tested at 7500 Volts DC and pass the 4 hour cold bend test at -25 ºC. Other electrical and mechanical tests shall be in accordance with UL 44 and UL 1581.
    • ASTM B-1, B-3, B-33, B-8, and B-174 for copper conductors.
    • ICEA S-95-658/NEMA WC70, ICEA S-66-524/NEMA WC7 Cross Linked Polyethylene Insulated Wire&Cable, UL 44 for Thermoset Insulated Wires & Cables, Fed Spec J-C-30B.

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