Ats generator switch

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bluecollar84

Senior Member
Location
US
Hi I am installing a 22kw generac generator with main ats 200 amp switch . Once I install the ats does my main panel now become a subpanel and I have to seperate the grounds and neutral wires?

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iwire

Moderator
Staff member
Location
Massachusetts
Hi I am installing a 22kw generac generator with main ats 200 amp switch . Once I install the ats does my main panel now become a subpanel and I have to seperate the grounds and neutral wires?

Yes, the ATS must be service rated and will become the service disconnect so the GEC must now run to the ATS.

The old main panel must have the neutrals isolated from any grounds.
 
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