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#82921 - 12/22/02 09:23 AM Mobile Home grounding  
MJR  Offline
Member
Joined: Sep 2002
Posts: 11
Upstate NY
I was called to upgrade fuse boxes in an older mobile home to a 100A breaker panel. When I inspected the job, I noticed that the trailer used a permanent feeder from the service equipment (mounted on a nearby utility pole)that consisted of #2 SE cable. I wasn't sure if I could connect the new panel to this cable, or if I have to replace it with a four-wire feeder. After checking Article 550, it seemed to me that there was a lot of contradiction in Parts II and III as to which way to proceed (i.e. 550.10(I)(1), and 550.33 (A) exception.
If I can re-use the existing SE cable, do I need to drive a ground rod at the trailer panel (in addition to the one at the service equipment location of course), or am I not supposed to?
Also, the existing fuse panels are located in a rear bedroom closet, in violation of 550.11(A). Can I still place the new panel there, as it is a replacement and not new work?
Lastly, since I'm trying to do everything else right, I intend on using AFCIs for the bedrooms, but I was wondering if in this situation that would be considered a requirement.
Thanks for any feedback!
Michael


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#82922 - 12/22/02 07:20 PM Re: Mobile Home grounding  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,306
Michael,

is the se (triplex i assume) comming from a meter/main at the pole?
the rest of what your asking may well be the call of the local AHJ
re; existing vs. upgrade


#82923 - 12/24/02 01:35 AM Re: Mobile Home grounding  
wayne  Offline
Member
Joined: Apr 2001
Posts: 54
NC
Micheal, around here what we do in such a case is change the panel and the feeded if it is not four wire. no need for a ground rod. far as the afci, ahj would call on that. most of the time if we do not touch it we dont have to bring it up to code.
i would ask your local inspector what do they require and go from there.


#82924 - 12/24/02 02:15 PM Re: Mobile Home grounding  
MJR  Offline
Member
Joined: Sep 2002
Posts: 11
Upstate NY
After closer examination of what would be involved and a chat with my local inspector, this job may be a lot like opening a HUGE can of worms.
I think I'd be smart to pass on this one. Sometimes the money just isn't worth it...



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