metal Box
4-11/16" Square x 2-1/8" Deep
Extra deep large format square box for high-capacity installations.
42
cu.in. Volume
21
Max 14 AWG
18
Max 12 AWG
4-11/16" x 4-11/16" 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. | 28 |
| 16 AWG | 1.75 cu.in. | 24 |
| 14 AWG | 2 cu.in. | 21 |
| 12 AWG | 2.25 cu.in. | 18 |
| 10 AWG | 2.5 cu.in. | 16 |
| 8 AWG | 3 cu.in. | 14 |
| 6 AWG | 5 cu.in. | 8 |
*Theoretical maximum for conductors only. Actual capacity will be less when including devices, clamps, and grounding conductors.
Common Applications
High-capacity commercial
Multiple circuit junction
Calculate Box Fill
Use our free calculator to verify NEC 314.16 requirements.
Calculate Box Fill