12 gauge 19 strand single conductor ,500 ft. ,20 amp 600 volt ,90 degree C temp rating (with ampacity limited to that for 75 degree C conductors) ,Copper conductors ,PVC insulation nylon jacket ,Red ,Typical use: used in conduit and cable trays for services feeders and branch circuits- other applications include automotive machine tooling appliances ,Don"t use without conduit ,UL listed ,Spool