Application and Description
应用及描述
THHN/THWN type conductors, per National Electrical Code, for installation through conduit, suitable for service in commercial/industrial systems, feeder and branch circuit wiring
THHN/THWN型导体，按照国家电气规范，通过导管安装，适用于在商业/工业系统中服务，馈线和分支电路配线
THHN cables are suitable for use in dry environments where the temperature does not exceed 90°C.
THHN类电缆适用于温度不超过90°C干燥的环境中。
THWN type cables are suitable for use in dry environments up to 90°C, in humid environments up to 75°C or in oil/coolant up to 75°C.
THWN类电缆适用于温度不超过90°C干燥的环境，75°C潮湿的环境中或不超过75°C的油/冷却液中。
THWN – Category 2 cables are suitable for use in dry or wet environments at temperatures not exceeding 90°C, in oil/coolant liquids not exceeding 75°C.
THWN – 2类电缆适用于温度不超过90°C干燥或潮湿的环境中，不超过75°C的油/冷却液中。
MTW type cables are suitable for use in wet environments, in oil/coolant with a temperature not exceeding 60°C, and in dry environments where the temperature does not exceed 90°C (the ampacity of the conductor at 75°C specified in NFPA 79).
MTW类电缆适用于潮湿的环境使用，温度不超过60℃的油/冷却液中，温度不超过90℃的干燥环境中（限于NFPA 79规定的75°C导体的载流量）。
In dry environments where the conductor temperature does not exceed 105°C, AWM type cables can be used as equipment wires with a rated voltage of 600 V.
导体温度不超过105°C的干燥环境中，AWM类电缆可用作设备线，额定电压为600伏。
标准及认证
UL 83 - 热固性材料绝缘线缆
CSA C22.2 No. 75-03
UL 1063 (MTW) - 机床电线电缆（多股）
UL 758 (AWM)
ICEA S-95-658/NEMA WC 70
电缆结构
导体: 多股柔软退火铜，ASTM B8 B类
绝缘: 坚硬，耐热，防潮聚氯乙烯(PVC)加尼龙涂层绝缘
颜色: 黑色，其他颜色可选