Whether you're installing, extending, or rewiring a circuit, finding out the wire gauge and amperage you will need is a key first step. The gauge—or size—of the wire used needs to match the circuit's ...
Non-metallic (NM) sheathed cable is one of the essential wiring methods found in Chapter 3 of the National Electrical Code (NEC) — see Art. 334. NM cable is used by electricians for wiring ...