This Uriah Products black switch to starter cable is designed for use with lawn and garden equipment. It's 19" long between centers and it fits studs up to 5/16" in diameter. It's 6 AWG wire that's insulated in durable, safe PVC. It features a 100% copper conductor and a full-gauge stranded copper core to deliver excellent conductivity. | Uriah 32" Black Switch to Starter Cable 4 AWG