| [GMCnet] shore power... shock! [message #250114] |
Mon, 19 May 2014 12:17  |
Ek_Lektro
Messages: 167
Registered: March 2011
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Senior Member |
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Well, Here's a head-scratcher for ya...
And despite my "Eklektro" email handle, I'm not formally schooled in 110v electrical, so any advice appreciated! (and if this problem wasn't so intermittent, then maybe i would've solved it by now)
Sometimes when i'm plugged into shore power, i'll get a shock by touching most metal
parts on the RV (door handle, bumper, alcoa wheels, etc). I measured it with the voltmeter (with positive lead on the metal and negative buried into driveway dirt), and its fluctuating between 30 to 60 volts, AC... enough to raise your hair a bit!
The problem never happens when i'm inverting 110 volts,
(and maybe its a coincidence, but it seems to be more prevalent when the driveway is a little wet).
Here are a few possibilities / wild guesses...
- possible fault with the grounding at my garage's 110 volt service? I know that my landlord had done some re-wiring a while back...
- possible fault with the extension cord (i'll see if i can get another heavy 50 footer, to test it out)
- possible incorrect wiring when my old Onan bit the dust, and i recently had a Generac put in,
wired to the same original heavy-duty outlet
And yes... The main problem is that I can't seem to get it to consistently misbehave...
OK, thanks much for any insights,
Greg / Los Angeles / 78' Eleganza II (and '76 Birchhaven 21-foot custom cut-down)
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