Circuit Wiring for a Sub-Panel


By Dave Rongey - Summary:

How to Install a Sub-Panel: Wiring for a Sub-Panel, Necessary Planning When Installing an Electrical Sub-Panel and the main feeder cable.


Installing a Sub-Panel

Electrical Question: I am installing a sub panel and have questions about the main wire connections.

Thanks for your time!
Katie

This Electrical Wiring Question came from: Katie, a Homeowner from Roy, Washington.

Additional Comments: Great resource for a homeowner.

Dave’s Reply:

Thanks for your electrical wiring question Katie.

How to Install a Sub-Panel

Application: Wiring a Sub Panel
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor, Danger of Arc Flash.
Tools Required: Electricians pouch of hand tools and the various power tools necessary for installing the sub-panel.
Estimated Time: Depends on the type and size of the panel and available access to the project area.
Precaution: Any existing electrical wiring within the immediate area that may interfere with the installation of the sub panel should be identified and turned OFF and Tagged if necessary.
Notice: Installing additional electrical wiring and a sub-panel should be done according to local and national electrical codes with a permit and be inspected.

Installing a Electrical Sub-Panel and Planning the Circuits

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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all projects.

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2 Responses to “Circuit Wiring for a Sub-Panel”
  1. Dave Rongey says:

    Judy, I have photos of panels here on the website, however the best way to know if your alleged contractor did the work properly is to have the work inspected, and that would involve getting a permit for the work that is being done, as it should be.
    Do not allow your contractor to cut corners, an make sure you do not hire a sleeze, as you have said, but rather ask for credentials and referrals, otherwise you could be inviting problems.
    Dave

  2. Judy Hickmann says:

    I am looking for a picture of a sub panel wired correctly to code for Washington State. I have a contractor who I believe did it incorrectly and want to have some knowledge of what is right for when he comes back. I think the guy is not up to par but I have to know more first. Thank you.

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