Conduit, Boxes and Loads
Check that wires fit the conduit and box, size a pull box, plan conduit bends and total a dwelling service load, with the NEC rule named at each step.
Tools in this group
- Box Fill Calculator
- Count conductors, devices, clamps and grounds to see the box volume you need and whether your box passes.
- Conduit Bending Calculator
- Enter the offset height, saddle or stub-up and get the marks to measure and bend.
- Conduit Bending Chart
- Print a bending chart with multipliers, shrink and distance between bends for the angles you use.
- Conduit Fill Calculator
- List your conductors and the conduit to get the fill percentage, or let the tool find the smallest trade size.
- Electrical Load Calculator
- Enter the floor area and appliances to get the dwelling demand load and the service size by two NEC methods.
- Junction Box Size Calculator
- Enter the raceway trade sizes on each wall to get the minimum length and width of a pull box.