Question: is thhn wire sunlight resistant?
Answer: Also used for wiring of machine tools (stranded), ap- pliances, and control circuits not exceeding 600 volts. STANDARDS: 1. Listed by UL as Type THHN or THWN per Standard 83, and as Type MTW per Standard 1063 (stranded items). ... Listed by UL as Sunlight Resistant (1/0 AWG and larger, black only).