12-AWG MTW Equipment wire has orange jacket to withstand harsh environmental conditions. The 0.03-Inch thick thermoplastic insulation resists electrical leakage and offers protection against environmental threats. This bare copper wire has voltage rating of 600-Volts. It withstands temperature rating of 105 deg C at dry places and 60 deg at moist places. This 0.156-Inch OD wire of length 500-ft comes in a spool. It is suitable for use in internal wiring of electrical equipment in dry or damp locations. Equipment wire is UL E30398 listed, CSA C22.2, No. 127/LL90458 certified, RoHS compliant and meets AWM Style 1015, 1019, 1020, 1230, 1284, 1032, 1283, 1232, 1028 UL E30398, Green specifications.