metal Box
4" Square x 2-1/8" Deep
Deep 4-inch square electrical box ideal for multiple conductors and complex wiring configurations.
30.3
cu.in. Volume
15
Max 14 AWG
13
Max 12 AWG
4" x 4" x 2-1/8"
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. | 20 |
| 16 AWG | 1.75 cu.in. | 17 |
| 14 AWG | 2 cu.in. | 15 |
| 12 AWG | 2.25 cu.in. | 13 |
| 10 AWG | 2.5 cu.in. | 12 |
| 8 AWG | 3 cu.in. | 10 |
| 6 AWG | 5 cu.in. | 6 |
*Theoretical maximum for conductors only. Actual capacity will be less when including devices, clamps, and grounding conductors.
Common Applications
High-capacity junction
Multiple circuit connections
Commercial installations
Calculate Box Fill
Use our free calculator to verify NEC 314.16 requirements.
Calculate Box Fill