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Electrical wiring in mobile homes: how to Inspect Mobile Homes or Manufactured Housing Electrical Wiring, Electrical Panel, and other Electrical Components for Defects: detailed procedures, defect lists, references to standards.
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Ver.3.5 - 04/25/07, updated through 2012 - Steve Vermilye, New Paltz NY and Daniel Friedman, Poughkeepsie NY, Hudson Valley ASHI Chapter Seminar, Newburgh NY, January 4, 2000, NY Metro ASHI Fall 99 Seminar, Holiday Inn Crowne Plaza, White Plains NY, October 2, 1999.
Common electrical defects in mobile homes are discussed below.
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Frequently Asked Questions (FAQs)
Question: intermittent electrical power loss in our 1994 Redman doublewide
Jan 1 at 2am I lost power in a bedroom and 2 plug outlets in the living room(adjoining wall) then on Jan 3 @4:20 am it came back on only to go back off that night. Where do I start lookin. I live in a 1994 Redman doublewide. - Cindy 1/5/12
Cindy, what worries me is that circuit breakers or fuses in residential buildings do not automatically reset themselves. So your symptom sounds like a loose connection or worse, a connection that is burning up or arcing. The age of your home suggests we should not find aluminum branch circuit wiring, which if present would make the problem more widespread.
Question: loss of power at a bathroom electrical outlet in a doublewide
I have an outlet that went out in a bathroom, the light fixture still works there. The light fixture in the adjacent hallway no longer works. I have a 2001 Spirit Double Wide. I also have two light fixtures that the lights go out about a week after I replace them.
Tammy, sometimes a loose electrical connection causes arcing that can indeed affect bulb life. I've also seen bulbs fail quickly in light fixtures that were overheating, either because a too-large (too many watts) bulb was installed (WATCH OUT THIS IS A FIRE HAZARD) or because the fixture was improperly installed or insulated (also a fire hazard). It is worth having an electrician check the wiring in your home not just to get the hall light working but to be sure there is not a fire risk. Meanwhile, be sure that you have working smoke detectors in the home.
Question: electrical code references for a mobile home?
is there a list of codes to follow so when I re-wire my 1965 mobile home so as not to run into any set backs at the inspection? I already know about get rid of the aluminum wire,and use plastic not metal switch boxes and junctions, use 12/2 copper I just want to touch all bases so I don't have any more re-work than what is planned. - David East 5/24/12
Question: sudden power loss after a short circuit
I lost power to my 1965 trailer when i accidently shorted out the power to the house
Short circuit may have damaged wiring - this sounds unsafe, I'd trace out the circuit
Question: is electrical conduit required between the park fuse box and my trailer breaker box?
I live in a mobile home park . Do i have to run conduit from the park supplied fuse box outside the trailer to my breaker box in the trailer. or can i just run conduit from the park supplied box to under my trailer as long as its burried . then just cable to my breaker box with out conduit the rest of the way
The cable needs to be rated for outdoor exposure if above ground, and for being buried if underground; also we often find dangerously damaged electrical wiring outdoors where it is close to ground and not protected by conduit - hit by mowers, for example.
Question: trailer window air conditioner keeps blowing fuses
window air conditioner keeps blowing fuese's
Check for an overloaded circuit or a failing window air conditioner compressor
I woud like to know if there are electricians who understand modular home wiring because this repairman said it ws easier to go without electricity in 3 rooms than it would be to fix the problem, and I'd just like to know if this is accurate - Pamela O'Conner 6/15/12
Pamela, electrical wiring for a modular home must meet the same local, state, or national electrical code requirements as a stick built home or other residential buildings.
Question: dummy electrical boxes in doublewide ceiling, used surface mount conduit - adding a ceiling fan
I bought a '98 Fleetwood Doublewide and found, in the living room, and all three bedrooms, that the lights / fans appeared to have been removed by previous owner. However, on inspection, it appears there's actually no wire in the ceiling, the shallow pie pans even had the knockouts still intact, and no wire ever run to the boxes. Then I noticed 6' tall basic surface raceway installed on the wall directly over a switched outlet in each room.
I'm guessing but, looks to me like previous owner rigged some lamp cord wiring of some sort run through the surface raceway over to suspended fixtures. My question: Is this factory arrangement? Did '98 code permit exterior raceway? I noticed in the owner manual ceiling fans were an "Option"...does that mean that if the option was not purchased those rooms would not have been conncected to the electrical distribution (i.e. not even a drop in a box in each room)? I took the boxes out and looked up into the space in the trusses but I don't see any wires at all so I can't really tell if there's a wire coiled up there or not. Sure would appreciate any help. Oh yea...if exeterior raceway and a suspended fixture was an option, is there an approved fixture (fan or light) to use in that configuration?
Questions & answerrs about how to troubleshoot & fix problems in manufactured home or mobile home electrical systems: service entry wiring, electric meter, main panel, wiring, outlets, lights, switches.
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