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Grounding Method For Sub-Panel Circuit

Does the receptacle ground connect to the isolated ground or to the neutral in the sub-panel…



Electrical Ground For a 220 Volt Outlet
Background: Mike, a Contractor from Knox TN

Question: 6-15R (2 hot 1 Ground) receptacle. Needing to connect to sub panel which is properly grounded (neutral and ground are not bonded)

Q1.Does the receptacle ground connect to the isolated ground or to the neutral in the sub.
In a sub-panel the ground should attache to the isolated ground, not the neutral.

Q2.In a 3 wire (2 hot) setup. How is the appliance chassis grounded?
The ground for an appliance should be attached to the ground wire from the power cord.

Dave’s Reply:
Thanks for your electrical question Mike. The answers are up with the questions.

I have also provided the following links that lead to fully detailed information on this website that will assist you with your electrical question:
Electrical Panel Circuit Listing

Electrical Wire for the Home

For more information about 220 Volt Wiring Diagram
220 Volt Wiring Diagram

This link is helpful as a Contractor
Electrical Code Articles



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