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#214818 - 01/28/15 07:33 PM Minimum height for disconnect on mobile home  
sparkync  Offline
Member
Joined: Oct 2002
Posts: 826
NC
Somewhere is the previous codes I remember the minimum height of a disconnect on a mobile home was 2 ft. I have a potential job that the meter and panel is burnt up, and needs replacing. The height now is only 18 inches, and it will have to be dropped about 2 or 3 inches so that the wires will reach the new "feed thru" panel. I can't seem to find it in the 2011 code book I'm looking in. Can anyone help me find this. I talked with the local inspector and he didn't seem to know and said I might have to run new wires to the inside panel to get the panel high enough. Thanks


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#214820 - 01/28/15 09:04 PM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
renosteinke  Offline
Cat Servant
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Joined: Jan 2005
Posts: 5,316
Blue Collar Country
This is the first I have heard of a 'minimum' level. If there were one, I expect it would be found in the standards of the local PoCo.

PoCo standards are not binding when the park does its' own billing.

"Standard" Service pedestals seem to place the meter at about the 4-ft. level. Such pedestals have, as part of their base, an accessible trough that extends into the ground. I would expect that you can splice the wires in that trough, to reach where you must.

How to splice? My first choice would be crimps, wrapped in tape and covered with Scotchkote. NSI's Polaris connectors would be my next choice, similarly sealed with Scotchkote.


#214823 - 01/28/15 09:54 PM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
ghost307  Offline
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Joined: May 2005
Posts: 907
Chicago Illinois USA
It's in 550.32.


Ghost307

#214824 - 01/29/15 12:50 AM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
gfretwell  Offline


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Joined: Jul 2004
Posts: 9,103
Estero,Fl,usa
Ghost is right on

Quote
(F) Mounting Height. Outdoor mobile home disconnecting means shall be installed so the bottom of the enclosure containing the disconnecting means is not less than 600 mm (2 ft) above finished grade or working platform. The disconnecting means shall be installed so that the center of the grip of the operating handle, when in the highest position, is not more than 2.0 m (6 ft 7 in.) above the finished grade or working platform.


Greg Fretwell

#214826 - 01/29/15 01:26 AM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
sparkync  Offline
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Joined: Oct 2002
Posts: 826
NC
Thanks a lot. I knew it used to be in there. I just couldn't find it.


#214828 - 01/29/15 01:57 AM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
sparkync  Offline
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Joined: Oct 2002
Posts: 826
NC
If I put a pvc junction box under the panel to make splices, and have 2" pvc coming in one side from the bottom and 2"pvc going out the other side up to the panel, will the size of the junction box have to be at least 12" since 314.28 (2) says that it must be 6 times the largest raceway entering the box? My other question would be how deep would it have to be? 12x12x12? or could it be 12x12x8 ?? sort of confused on the depth.


#214830 - 01/29/15 05:19 AM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
gfretwell  Offline


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Joined: Jul 2004
Posts: 9,103
Estero,Fl,usa
I don't think the depth is addressed directly but you still need enough volume for the fill. This is mainly just addressing the bending space laterally


Greg Fretwell

#214832 - 01/29/15 11:01 AM Re: Minimum height for disconnect on mobile home [Re: sparkync]  
sparkync  Offline
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Joined: Oct 2002
Posts: 826
NC
Thanks Greg. I couldn't see that it was either.



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