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Old 06-23-2013, 12:20 PM   #1
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Info on 110v Electrical Basics Please

I'm preparing to do some testing on the wiring system of my Holiday Rambler trailer while I have some of the ceiling and wall panels out.
I have never been clear on the basic concept of trailer wiring - Particularly grounding.
Is the metal structure of the trailer protected from becoming hot by using a GFCI (or something like that) at a different location?
I'm not really familiar with trailer wiring, but I have some basic familiarity with household wiring.
If someone could explain just the basic concept that would help enormously.
As I explained in a previous thread, I have numerous ext cords and power strips connected for now. But I'd like to get the original wiring going if it passes the test... I definitely don't want to take anything for granted at this point, as it looks like at some point in the past there was some Mickey Moused-ness going on by who knows who... and intoxicated on what?
Best to play it safe.

Thanks in advance for any and all competent advice - BK
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Old 06-23-2013, 05:03 PM   #2
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The metal frame/chassis/stuff in the trailer should be connected to the safety ground (Bare/Green) however it is in no way protected from becoming hot.

IF it does become hot, and you touch it, a GFCI up-line of the trailer should trip.. Problem is not all trailers play nice with GFCI outlets.

I'd put more faith in the green wire, but a GFCI upline may help.
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Old 06-23-2013, 07:20 PM   #3
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What he said...

Be certian every outlet is connected to safety ground along with insuring all metal parts are bonded to frame.

For 12 volt return can be to frame or use wire back to common ground
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Old 06-24-2013, 10:10 AM   #4
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Quote:
Originally Posted by TQ60 View Post
What he said...

insuring all metal parts are bonded to frame.

For 12 volt return can be to frame or use wire back to common ground
I'm not concerned about being electrocuted by 12v
But insuring that all metal parts are bonded to the frame sounds like a major project.. I can see the necessity for that though for proper integrity.

Thanks for the help
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