door header sizing calculator
Calculate Junction Box Requirements
About Junction Box Sizing Calculator
This calculator helps determine the proper junction box size based on wire count, size, and electrical code requirements.
Box Sizing Factors:
- Wire Count: Number of conductors in the box
- Wire Size: AWG size of the conductors
- Devices: Switches, outlets, and other devices
- Clamps: Cable clamps and connectors
- Ground Wires: Equipment grounding conductors