Where and How to Install a Green Ground Screw in a Panel


By Dave Rongey - Summary:

How to Bond the Ground Using the Green Grounding Screw of a Sub Panel: Grounding a Main Panel vs Grounding a Sub-Panel, Bonding the Ground System at the Main Electric Service Panel, When Two Terminal Strips are Connected Together, The Difference between Ground Terminals and Neutral Terminals


Guide to Grounding a Panel or Sub Panel

Electrical Question: I’m confused about adding a sub-panel. I bought a GE PowerMark Gold Load Center (125amps).

Please a) confirm I’m doing this right, and b) shed some light on the green screw (in this box specifically, if possible). I appreciate your time, very much. Your book is priceless for a DIY’er, and I’ve already mentioned it to others.

I bought your Home Electrical Wiring Book and love it!
This electrical wiring question came from Pete Frank, in Erie, Pennsylvania.

Dave’s Reply:
Thanks for your electrical wiring question Pete, and Thanks for the Compliment about my Home Electrical Book!

How to Bond the Ground Using the Green Grounding Screw of a Sub Panel

home-electrical-codes-for-grounding

Preparation

Grounding a Main Panel vs Grounding a Sub-Panel

Bonding the Ground System of a Panel Located at the Main Electric Service

Bonding the Ground of a Sub Panel

When Two Terminal Strips are Connected Together

The Difference between Ground Terminals and Neutral Terminals

IMPORTANT: The size of the ground wire will depend on the amperage of the panel.

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