DIY Sub Panel Install: COMPLETE Tutorial, Save Thousands!
A video on YouTube. In DIY & Home Repair, a Krater category.
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Nils Rasmusson from Learn To DIY walks through the process of installing an electrical sub panel in a garage, covering space requirements, selecting a panel type and wire gauge, drilling through exterior walls and studs, cutting conduit, pulling wire, installing bus bars, and torquing lugs.
From the video
Answers: How do I install an electrical sub panel?
- Electrical sub panel installation
- Space requirements for electrical panels
- Selecting panel size and brand
- Wiring and conduit types
- Drilling through exterior walls and studs
- Cutting and installing conduit
- Pulling and stripping electrical wire
- Installing bus bars and circuit breakers
- Torquing electrical lugs
What it concludes
- You need 36 inches of space in front, 30 inches across, and up to 78 inches of height to install a sub panel.
- A sub panel setup typically requires four wires: two hot, one neutral, and one ground.
- When drilling through load-bearing 2x4 framing, you can only cut a hole up to 40 percent of the depth of the studs.
- Conduit fill should be kept to about 40 percent to allow room for flexibility and maneuverability.
- Bus bars inside the panel require 20 inch pounds of torque, while neutral and hot lugs require 50 pounds of torque or 36 inch pounds depending on the specific Square D Homeline breaker manufacturer specification.
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