mshields
Senior Member
- Location
- Boston, MA
I'm aware of 700 and 701 allowing us not to provide GF. What about Equipment branch (in hospitals) and Optional Standby in non-hospitals?
ground fault on Optional Standby and on Equipment branch in Hospitals
- Thread starter mshields
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Maders
Member
- Location
- Boston, MA
517.17(B) prohibits additional levels of ground-fault protection from being installed on the load side of an essential electrical system transfer switch. The equipment branch is part of the essential electrical system per 517.30(B)(1). I am not aware on any prohibitions on the installation of ground-fault protection on article 702 optional stand-by systems. Hope this helps Mike.
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