sub panel grounding

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guschash

Senior Member
Location
Ohio
I have a job of replacing 4 panels in basement if a apartment building because they have Federal Pacific panels. They have their meters and disconnects outside the buildings. These apartments are over 40 years and high end apartments. Then checking the job I notice there only wires coming in and it was bonded. Back then this must have been ok, but its consider a sub panel now. I plan separating the ground and neutral terminals and the conduit as my ground. But I wondering if the whole is grandfather.
 

Greentagger

Senior Member
Location
Texas
Occupation
Master Electrician, Electrical Inspector
Existing or not, if bonded at exterior disconnects, should not be bonded at interior panels if conduit was used as EGC.?
Existing but non-conforming.
 

Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
I believe I saw a post yesterday it was or changed in NEC 1968.
I stated it was still in the 1968 code but as Don stated, in that thread, it never mentioned the words clothes closet. Even now some people believe the code is not clear and a panel can be in a clothes closet as long as it is not next to combustibles.
 

Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
Dennis do you have a code reference for that so I can look it up?


Here is a link to the other thread where I posted the section number and wording

 
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