4SQ BOX STANDARD
4SQ BOX STANDARD
52151-1/2DR
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Regular price
$2.40
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$2.40
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$1.70
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🧾 What it is:
A metal electrical box measuring approximately:
- 4" × 4" square
- Standard depth (commonly 1-1/2" deep unless otherwise specified)
🔧 What it’s used for:
Common in commercial and residential electrical work for:
- Wire splicing and junctions
- Mounting switches or receptacles (with mud ring/plaster ring)
- Conduit terminations (EMT, MC, flex)
- Lighting fixture connections
- Ceiling or wall junction points
⚙️ Key features:
- Galvanized steel construction
- Multiple knockouts for conduit connectors
- Supports higher wire fill capacity than smaller boxes
- Accepts:
- Mud rings
- Blank covers
- Device covers
- Common in exposed conduit systems
🧠 Simple explanation:
It’s basically a metal electrical box used as a central connection point where wires come together and devices or conduit can be attached safely.

4SQ BOX STANDARD
$2.40