Rated temperature: 125 degree. Rated voltage: 600V. AWG 30-4/0, solid or stranded. EP insulated wire. Rated temperature: 125 degree.Rated voltage: 600V.AWG 30-4/0, solid or stranded.EP insulated wire.Internal wiring of lighting fixture,appliances or electronic equipment,where exposedto temperatures not exceeding 125 degree. UL 3478 EP insulated wire