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What is 225.38(C) trying to say #99768
09/04/06 10:10 PM
09/04/06 10:10 PM
G
gfretwell  Offline
OP
Member
Joined: Jul 2004
Posts: 9,306
Estero,Fl,usa
Why should you need to disconnect the grounded conductor?


Greg Fretwell
2017 / 2014 NEC & Related Books and Study Guides
Re: What is 225.38(C) trying to say #99769
09/05/06 04:12 AM
09/05/06 04:12 AM
I
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
You might want to pull it for testing purposes.

If you are looking for illegal ground to neutral connections lifting the neutral would be step one along with the MBJ.

That said I don't understand what it really accomplishes, I have never seen any one in the field talk about it. It seems more of a construction specification of service rated equipment. 225.36

Now when we use the exception to 225.36 do we need to use two pole snap switches so we can break both grounded and ungrounded conductors simultaneously?

FWIW 225.38(C) mirrors 230.75


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: What is 225.38(C) trying to say #99770
09/05/06 06:22 AM
09/05/06 06:22 AM
electure  Offline

Member
Joined: Dec 2000
Posts: 4,276
Fullerton, CA USA
We've got a couple of jurisdictions here in SoCA that have you perform a "neutral to ground" continuity test (with the link removed) at final inspection.
This way they can verify that there are no grounding connections on the neutral anyplace but where they belong....At the service.
Resi services are done with the individual neuts disconnected from the neutral bar.

A good idea, IMO


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