XHHW-2, UL SIS1/XHHW-2, VW-1级

Application and description

SIS1/ XHW-2, VW-1 class cables are commonly used in residential, commercial, institutional and industrial applications with a maximum conductor temperature of 90° C for wiring in dry and wet environments, and can also be installed overhead, or installed in conduit/other gully for circuits not exceeding 600 volts. This cable passes the vertical flame test (VW-1). Available in a variety of colors. Size 1/0AWG and above cable bridge use and daylight resistance. Cables of size 2AWG and above are marked to be sun resistant and only black insulation is available.

Standards and certification

UL 44 - Thermosetting material insulated cable

UL 1685-CT Flame exposure test.

UL 1581 - Flame Exposure Test (VW-1)

IEEE 383 ((IEEE 1202/FT4 (2/0 AWG and above)

Flame test (70,000 Btu/hr vertical tray combustion test)

ICEA S-95-658 (NEMA WC70)

应用及描述

SIS1/XHHW-2，VW- 1级电缆通常用于住宅，商业，机构和工业中，Zui大导体温度为90° C可在干燥和潮湿的环境布线，也可架空安装，或安装于导管/其他沟壑内，用于不超过600伏的电路中。此电缆通过垂直火焰测试（VW- 1）。各种颜色都可提供。尺寸1/0AWG及以上电缆桥使用和耐日光。尺寸2AWG及以上的电缆标注耐日光，仅可提供黑色绝缘。

标准及认证

UL 44 - 热固性材料绝缘线缆

UL 1685 - CT 火焰暴露试验.

UL 1581 - 火焰暴露试验 (VW-1)

IEEE 383 ((IEEE 1202/FT4 (2/0 AWG及以上)

火焰测试(70,000 Btu/hr 垂直托盘燃烧测试)

ICEA S-95-658 (NEMA WC70)