metal Box
Single Gang Device Box 18 cu.in.
Metal single gang device box with 18 cubic inch capacity. Ideal for residential and light commercial switch and receptacle installations.
18
cu.in. Volume
9
Max 14 AWG
8
Max 12 AWG
3" x 2" x 3-1/2"
Dimensions
Conductor Capacity per NEC 314.16
Maximum number of conductors that can fit in this box based on wire gauge (not accounting for devices, clamps, or grounds).
| Wire Gauge | Volume Each | Max Conductors* |
|---|---|---|
| 18 AWG | 1.5 cu.in. | 12 |
| 16 AWG | 1.75 cu.in. | 10 |
| 14 AWG | 2 cu.in. | 9 |
| 12 AWG | 2.25 cu.in. | 8 |
| 10 AWG | 2.5 cu.in. | 7 |
| 8 AWG | 3 cu.in. | 6 |
| 6 AWG | 5 cu.in. | 3 |
*Theoretical maximum for conductors only. Actual capacity will be less when including devices, clamps, and grounding conductors.
Common Applications
Light switches
Outlets
Receptacles
GFCI installations
Calculate Box Fill
Use our free calculator to verify NEC 314.16 requirements.
Calculate Box Fill