Does 12-2 wire have a ground?
“12-2” means 12 gauge, two insulated current carrying wires, plus a bare ground. 12-2 wire usually has a black, white and bare ground wire. Sometimes the white is red instead for 220V circuits without neutral.
How many amps will 12-2 wire carry?
Maximum Breaker Size is 30 amps. You can use a 20 amp circuit breaker with 12/2 Romex as 12/2 wire is rated for 20 amps.
Is 12-2 Romex grounded?
Insulation is PVC & rated at 90 deg. C.
What gauge is the ground in 12-2 Romex?
12 AWG
Specifications
| Approval | UL 83/719 |
|---|---|
| Conductor Size | 12 AWG |
| Description | 12/2 W/G NM-B ROMEX |
| Ground Conductor Size | 12 AWG |
| Ground Type | With Ground Wire |
Does 12-2 wire have a neutral wire?
The second number indicates the number of conductors. A 12-2 Romex will have a black(hot) and a white(neutral) wire as well as an unsheathed copper wire for ground.
Can you use 12 2 wire to run 220?
The same 12-gauge wire can be used for a 220v, 20-amp outlet to run power tools. You need a different type of receptacle and 10-gauge cable if the appliance draws 30 Amps.
Can you run 12 gauge wire on a 30 amp breaker?
You should not use a 30-amp circuit breaker on a 12-gauge wire. The circuit breaker installed on a circuit is of a specific size to protect a certain wire gauge. A larger breaker on a thinner wire will allow more current over the wire before tripping.
What size ground is in 12 2 Romex?
Specifications
| Approval | UL 83/719 |
|---|---|
| Description | 12/2 W/G NM-B ROMEX |
| Ground Conductor Size | 12 AWG |
| Ground Type | With Ground Wire |
| Insulation Material | PVC |
What gauge wire is Romex 12 2?
12 gauge Romex is rated for 20 Amps and is commonly yellow jacketed….The following NEC regulations apply to Romex conductors:
| Wire Gauge or Type | Rated Amperage | Common Uses |
|---|---|---|
| 12-2 Romex | 20 A | Lighting and Outlet Circuits, refrigerator |
Does Romex wire have a ground?
NM Cable (Romex®) NM cable contains two or more insulated wires and a bare ground wire. NM is normally used in one- and two-family dwellings, and certain multifamily dwellings.