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Old 07-19-2013, 08:35 AM   #21
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I would most definitely carry the inexpensive circuit tester. This is the only ground you get to have for your trailer coming from the camp ground pedestal...

Alot of times we find the ground point missing from 120VAC 15A/20A service we sometimes hook into using a RV30A-15A long adapter. Not good....

The small circuit tester will spot it right off the bat...

Roy Ken
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Old 07-19-2013, 08:34 PM   #22
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Gonna dig mine out of the garage and start carring/testing before hooking up. Good info, thanks.
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Old 07-20-2013, 05:04 AM   #23
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whatever you do......don't call it a short.
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Old 07-30-2013, 10:01 PM   #24
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Originally Posted by RoyBraddy View Post
I would most definitely carry the inexpensive circuit tester. This is the only ground you get to have for your trailer coming from the camp ground pedestal...

Alot of times we find the ground point missing from 120VAC 15A/20A service we sometimes hook into using a RV30A-15A long adapter. Not good....

The small circuit tester will spot it right off the bat...

Roy Ken
I'm Mike Sokol, author of the NoShockZone articles linked to above in this thread. Yes, an inexpensive NCVT (Non Contact Voltage Tester) such as a Fluke VoltAlert or Klein NCVT-1 will do a good job for this hot-skin, and light up from more than a foot away from your RV if you have a 120-volt hot-skin condition. I've developed and promoted this test through a series of experiments where I create hot-skin conditions with various voltages and currents. See for an example of a 40 ft RV being tested with a Fluke VoltAlert. Just remember that all Non Contact Circuit Testers are NOT created equal, so you'll want to stick with one of the brands I've documented as operating safely for this test. Remember, this is NOT an authorized way to use a NCVT according the the manufacturer's legal department. But most of them do work exactly as I demonstrate in the video.

So please NEVER accept getting shocked from anything, be it an RV, drill, refrigerator, or even your cell phone on its charger. It's surprisingly easy to stop your heart with as little as 30 volts AC if your hands are wet. Please contact me with any RV shock related questions. And read my articles at www.NoShockZone.org for all kinds of electrical info.

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Old 08-02-2016, 06:56 AM   #25
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Hot Skin

I realize this is an old post but hoping this will bring it to the top for discussion again. I have a 2007 Lakota horse trailer and am getting a hot skin while plugged in to either the house or the generator. I'm looking for suggestions as to where to start looking in the trailer to diagnose and fix this problem.


Thanks in advance!
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Old 08-02-2016, 07:59 AM   #26
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Check your grounds. Make sure the outlet you are plugging into is properly grounded. Make sure the plug you are using has an intact ground prong. Make sure the cord you are using has an intact ground conductor. Make sure the frame of your RV is properly grounded.

The above can be done with a cheap multi meter. Like this one : Sears.com
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Old 08-02-2016, 08:06 PM   #27
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So...tonight I did some testing. The skin of the trailer to the ground is reading 47 volts! If I turn off the main breaker, it jumps to 74 volts! All other breakers seem to do nothing. This is plugged into the garage at home which is reading properly. I get the same readings when plugged into my generator. Any ideas?
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Old 08-02-2016, 08:48 PM   #28
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I would check for continuity from the ground prong on your shore cord to the skin of the trailer. There should be continuity between these points.

The voltage goes up between the trailer skin and earth ground when the main breaker is off while the sore cord is still plugged in? I am assuming you are referring to the main breaker inside the trailer? And the same thing happens on generator power? A portable generator utilizing the same shore cord?
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Old 08-03-2016, 07:20 AM   #29
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I would check for continuity from the ground prong on your shore cord to the skin of the trailer. There should be continuity between these points.

The voltage goes up between the trailer skin and earth ground when the main breaker is off while the sore cord is still plugged in? I am assuming you are referring to the main breaker inside the trailer? And the same thing happens on generator power? A portable generator utilizing the same shore cord?

Yes, the voltage goes up between the trailer skin and earth ground while the shore cord is still plugged in. Yes, the main breaker. Yes, the same thing with generator power and the same shore cord.

What am I looking for when you say check for continuity between the ground on the cord and the skin of the trailer? What should I be set on and what should I expect to see? I'm using a digital fluke meter...
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Old 08-03-2016, 08:30 AM   #30
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You have a bad or loose ground somewhere on the unit.
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