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Grounding a Panel for a Detached Shop

Installing a Panel and Ground System for a Shop: Factors that Determine the Type of Bonded Grounding System, Detailed Questions and Answers about Installing a Shop Panel and Bonded Ground System.

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Shop Panel and Bonded Ground System
Electrical Question: How do I install a separate electric panel and ground system for a detached shop?

I have been doing a lot of reading and watching videos online to try and clarify some things but there is very few good electrical videos/information especially that address my issues.

Here is my Shop Panel Project:

This electrical wiring question came from Richard, in Washington.
See more about Home Wiring for Washington

Dave’s Reply:
Thanks for your electrical wiring question Richard.

Installing a Panel and Ground System for a Shop

Shop Circuit Breaker Panel

Application: Installing a Detached Shop Electric Panel.
Skill Level: Advanced – Best installed by a Licensed Electrical Contractor.
Tools Required: Electricians pouch of hand tools and the various power tools necessary for the specific method of electrical service installation.
Estimated Time: Depends on the type of panel, the location, and available access to the project area.
Precaution: This is an extensive project. Working in an electric panel has possible arc flash and electrical shock hazards.
Notice: Installing an Electrical Service Panel should be done according to local and national electrical codes with a permit and be inspected.

Grounding a Shop Electrical Panel

Main Panel Bonded Neutral Bar

Factors that Determine the Type of Bonded Grounding System:

Here are the basic factors that will help determine the type of grounding system for a detached building or work shop electrical panel:

Summary: An electrical panel must be provided with an approved bonded grounding system which is provided by either a 4-wire panel circuit that has a separate bonded ground wire which originates back to the main panel, or an approved bonded ground rod system or foundation ground which is installed at the detached building and bonded to the panel.

Questions and Answers about Installing a Shop Panel and Bonded Ground System:

More about Grounding a Panel for a Detached Building

The following article discusses the topic of grounding for a detached building in detail:
Installing a Sub Panel for a Detached Building

More about Installing a Shop Panel

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Listing of electrical codes for grounding with examples of electrical grounding codes for home electrical wiring.

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Be Careful and Be Safe - Never Work on Energized Circuits!
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