need new wiring

Wanted a lg internal fan to pull air into bedroom. Didn't know about RV fans till after I had bought it.

If you are installing a fan "in the vent hole" why not get one of the RV specific fans? They are efficient and designed to fit. Plus they are 12 V which makes the wiring much less challenging.

I am going to install fan in the vent hole right over my bed. Its is an enclosed fan, with no fan blades exposed. Won't give me a haircut, just gotta remember to duck when I make the bed. Unfortunately, the vent is not wired for 2nd AC. So, power line will have to be run across ceiling to junction box in bathroom. I have the cover for the power line, I just don't feel comfortable playing with electricity.

I would be concerned about the ceiling height and somebody (me) walking into the fan. The 120v is already there if prewired for a second AC and there isn't one. How about a fan on the dresser when you need it. Sometimes simple is cheaper and better.

Beverley&Ken wrote:
Probably an RV Tech or RV shop that has experience in modifications.
The toilet 12v should not be a problem, just tap into a nearby 12volt line, no special boxes, wiring protection.
The ceiling fan, 120 volt, slightly different story, Power could be obtained by tapping into a 120 receptacle in the bedroom, but concealing (protecting) the wiring up to the location in the ceiling would be much harder, you may have to use a surface mounted wire chase.
The bigger issue would be mounting the 120 v, octagonal electrical box (required to mount a residential ceiling fan), to the RV ceiling would be the biggest problem. A residential electrician, unless he is an RVer, probably wouldn't have a clue on RV construction

Ken

I see a problem or two with this idea. One is that you may over load the 12v circuit and blow the fuse. So maybe a better solution is to see if there is a spare fuse space in your 12v distribution panel and run a new protected circuit for it. And two is that there may already be a 120V circuit at the location you want your fan if you are using the existing vent hole. This 120v circuit would normally be used for the second AC and have a spot marked in the 120v distribution panel with C/B.

I just have to ask what type of electric toilet?

Probably an RV Tech or RV shop that has experience in modifications.
The toilet 12v should not be a problem, just tap into a nearby 12volt line, no special boxes, wiring protection.
The ceiling fan, 120 volt, slightly different story, Power could be obtained by tapping into a 120 receptacle in the bedroom, but concealing (protecting) the wiring up to the location in the ceiling would be much harder, you may have to use a surface mounted wire chase.
The bigger issue would be mounting the 120 v, octagonal electrical box (required to mount a residential ceiling fan), to the RV ceiling would be the biggest problem. A residential electrician, unless he is an RVer, probably wouldn't have a clue on RV construction

Ken

Sorry, I should have said. I need hook-up new electric toilet, and adding new ceiling fan to bedroom. Two new lines; one low v, fan is standard 120v residential ceiling fan from Homedepot.

Old-Biscuit wrote:
What is it you have in mind......120V AC, 12V DC, Solar etc
Details will get better responses

New wiring for WHAT?

Seen 'electricians' screw up 30A for RVs and seen 'techs' that didn't have a clue about using a voltmeter

X2 to this!
What is you want done electricly??
If line voltage the residential would need to how the 50 amp breaker panel works in an RV, which different than in a house as there is a slot to tap 240 volts.