Multi-Conductor, 18/20 AWG, 600V, 4 Conductors, 1pr 18 19x30 TC - Tinned Copper, 1pr 20 19x32 TC - Tinned Copper,PVC - Polyvinyl Chloride 18, FPE - Foam Polyethylene 20, Combination, Tape Aluminum Foil-PolYester100%, Braid Shield TC-Tinned Copper -65%, PVC, AIA, CSA, FT4, Grey