Mobile Homes

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markselectricalservice

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East Brookfield, MA
I’m looking at a potential job to install a generator for a mobile home. Problem is, it’s a mobile home (hitch and axles still attached) originally it was cord and plugged with a 40A 125/250V rating (still placarded on the trailer). At some point someone removed the cord and ran a underground 60A feed in PVC from the panel (60A Main/Range) to a pole outside on the property with a meter socket and no disconnect.
Also, the panel is located in a clothes closet in the bedroom.
What kind of issues do you think if any? If I was to relocate the panel outside the closet with a new 16 or 20 circuit panel (less than 3' from it's current location) with a 50A main and install a new 4-wire cord as a feeder with a 50A 125/250V plug in accordance with Article 550 to be connected to a 50A 125/250V Meter/disconnect/receptacle combination enclosure on the pole.
Thinking if I bring the trailer back to its somewhat original state, then I can install a generator without all the violations. Only concern I have is if I do this, do you think there would be any issues with it no longer being UL listed? especially from a liability stand point.
Thanks
 
If you're talking about an ATS and an auto-start genny, I'd put it on the line side of the receptacle on the pole.

If you mean a manual-start portable genny, I'd get one that the trailer plug fits, and just move the plug over.
 
LarryFine said:
If you're talking about an ATS and an auto-start genny, I'd put it on the line side of the receptacle on the pole.

If you mean a manual-start portable genny, I'd get one that the trailer plug fits, and just move the plug over.
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Yes, I'm not worried about the generator part. The issue I'm concerned with is replacing and relocating the panel board along with bringing it back to a cord and plugged feeder.
My thinking is, based on Article 550.11(A) the only option is to install a 125A main lug panel board and install a 40A back fed breaker, to keep the 40A 125/250V rating as it was built. This would also limit the cord setup load to 40A as it's UL placard.
 
markselectricalservice said:
Yes, I'm not worried about the generator part. The issue I'm concerned with is replacing and relocating the panel board along with bringing it back to a cord and plugged feeder.
My thinking is, based on Article 550.11(A) the only option is to install a 125A main lug panel board and install a 40A back fed breaker, to keep the 40A 125/250V rating as it was built. This would also limit the cord setup load to 40A as it's UL placard.
Click to expand...

I think you are spot on what your stating. If you follow wiring methods Per 550.15 I don’t see any violations. 550 doesn’t state that wiring branch circuits/panel cannot be added or altered. Unless I’m missing something.


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