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Grounding short sections of raceway #8746
04/02/02 12:47 PM
04/02/02 12:47 PM
F
Frank Cinker  Offline OP
Member
Joined: Jul 2001
Posts: 311
Pennsylvania
When are short sections of raceway required to be grounded. For example, is a 5 ft. piece of metallic conduit required to be grounded when used as a "sleeve" to protect a cable?

I found NEC article 250.132. "Isolated sections of metal raceway where required to be grounded".......etc.

The wording is somewhat vague to me.

Frank

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Re: Grounding short sections of raceway #8747
04/02/02 12:56 PM
04/02/02 12:56 PM
F
Frank Cinker  Offline OP
Member
Joined: Jul 2001
Posts: 311
Pennsylvania
I just found this code section after posting my question. NEC 250.86 Exception No. 2 which reads: "Short sections of metal enclosures or raceways used to provide support or protection of cable assemblies from physical damage shall not be required to be grounded". It still does not give specific length.

[This message has been edited by Frank Cinker (edited 04-03-2002).]

Re: Grounding short sections of raceway #8748
04/02/02 04:16 PM
04/02/02 04:16 PM
S
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,371
hmmm, well 10' is the longest possible 'short piece'........
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