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ByDave Rongey © Ask the Electrician 2017 Author, Licensed Electrical Contractor
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How to Ground a Home Generator

How to Ground a Generator and the Home Electrical System: Bonding the Generator to the Grounded Electrical System of the Home.

Grounding a Home Generator
Electrical Question: I have a 5500 watt generator I use as stand alone with extension cords inside off of the 2 GFCIs on the generator.

Existing Generator Installation:
The Outside Wall Has a Male Connection Receptacle L14-30p

Thanks for your availability & patience in helping. I have yet to find an example of anyone using my exact set up on-line and really would like to know if I should change anything.
This home electrical repairs question came from: Charlie, from Boston, Massachusetts.

Dave’s Reply:
Thanks for your electrical troubleshooting question Charlie.

How to Ground a Generator and the Home Electrical System

Skill Level: Advanced – Licensed Electrical Contractor, Not Recommended for Homeowners.
Tools Required: Electricians pouch of hand tools and the various power tools necessary for installing the generator and transfer switch.
Estimated Time: Depends on the type and size of the generator and transfer switch and the available access to the project area.
Important: Installing a generator and transfer switch or altering the home electrical system must be well thought out and performed with a permit with all work being inspected.

Bonding the Generator to the Grounded Electrical System of the Home

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