12/2 NM-B solid copper building cable for residential and light-commercial branch circuits. This nonmetallic-sheathed cable has black and white insulated conductors plus a bare ground, all rated for 600 VAC in dry locations. Supplied in a 250 ft coil, it’s a dependable choice for feeding outlets, lighting, and other indoor loads.
- Gauge/Type: 12 AWG, 12/2 with ground (Type NM-B), solid copper
- Length: 250 ft coil
- Conductor colors: Black (hot) and White (neutral) bare copper ground
- Ratings: 600 V; up to 90 °C in dry locations (per NM-B)
- Typical use: Indoor, dry-location branch circuits—commonly on 20 A breakers
Note: Install and size per local code and the NEC. NM-B is not suitable for wet locations, outdoors, or direct burial.