应用及描述
XHHW - 2，RW –90类建筑线通常敷设于导管或其他国家电气规范（NEC）的规定认证的管道中，用于服务，馈线和分支电路配线，XHHW -2允许用于温度不超过90°C潮湿/干燥的环境中，以及要求优越的绝缘韧性和耐化学性的工业环境中。它用于600伏的电路中。 1/0AWG及以上可用于国家电气规范认证的电缆架上，且符合IEEE 1202/UL FT4的火焰测试和ICEA T-29-520(210,000 Btu/hr)火焰测试.
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 1202/FT4 (2/0AWG及以上)
火焰测试(70,000 Btu/hr垂直托盘燃烧测试).
ICEA T-29-520 (210,000Btu/hr)火焰测试
ICEA S-95-658 (NEMAWC70)
电缆结构
导体: 单芯铜导体，多股镀锡退火铜，遵循ASTM B3，ASTM B8 B类
绝缘: 阻燃防潮交联聚乙烯(FRXLPE)
颜色:黑色，其他可选
Application anddescription
Xhw-2, RW-90 building wires aretypically laid in conduits or other National Electrical Code (NEC)certified piping for service, feeder and branch circuit wiring.Xhw-2 is permitted for use in wet/dry environments withtemperatures up to 90°C and in industrial environments wheresuperior insulation toughness and chemical resistance are required.It is used in 600 volt circuits. 1/0 AWG and above can be used oncable mounts certified by the National Electrical Code and complywith IEEE 1202/UL FT4 flame test and ICEA T-29-520 (210,000 Btu/hr)flame test.
Standards andcertification
UL 44 - Thermosetting materialinsulated cable.
UL 1685-CT Flame exposuretest.
UL 1581- Flame Exposure Test(VW-1)
IEEE 1202/FT4 (2/0 AWG andabove)
Flame test (70,000 Btu/hrvertical tray burning test).
ICEA T-29-520 (210,000 Btu/hr)flame test
ICEA S-95-658 (NEMAWC70)
Cable structure
Conductor: Single-core copperconductor, multi-strand tinned annealed copper, according to ASTMB3, ASTM B8 Class B
Insulation: Flame retardantmoisture resistant crosslinked polyethylene (FRXLPE)
Color: Black, otheroptional
