Superior electrical cable with copper electrical wire for residential electrical wiring projects. 12 AWG Romex SIMpull NMD90 with Freeze Flex includes 2 copper conductors and one ground wire. Use it for electrical wiring of baseboard heaters. Romex SIMpull features Southwires NoLube SIM technology which has revolutionized the way wire is pulled into conduit without any pulling lubricant, saving contractors both time and money. Romex SIMpull NMD90 electrical cable pulls 50% easier, is tear resistant, reduces burn-thru and strips easier. Freeze Flex gives you more pliability, easier stripping and added crack-resistance in cold weather.