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Electric Problem

bukhrn
Explorer III
Explorer III
I have a MH with 30A Hardwired Surge guard Mod:34520, it suddenly won't let power into the RV, I know the reasons, Over/ Under voltage, Reverse Polarity & such, I've checked volttage at the source, (the plug receptacle) I get 120V between the Black & White, & 0 volt between White & green, which is good, when I plug the cord in & check voltatage at the IN side of the Surge Guard, I get the 120v between the B&W, but then I also get 120V between W&G, which is NOT good, does this mean a bad cord Suddenly, or a bad Surge Guard?
After waiting for the 2 min delay the Surge Guard clicks & the is only 74.6 volts on the output side,then trips the source breaker.
2007 Forester 2941DS
2014 Ford Focus
Zamboni, Long Haired Mini Dachshund
3 REPLIES 3

wa8yxm
Explorer III
Explorer III
Sounds like the plug is mis-wired

You should have 3 wires in the cord, and hopefully they are color coded

White, Black and Green

The plug should have 3 screws One dark copper (Black wire) one Aluminum silver (White wire) one Green, I'll let you figure that out.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times

Houston_Remodel
Explorer
Explorer
Have you checked the end of the cord for voltage between the white (neutral) and the ground ?
2015 Starcraft Launch 24RLS
2014 Ram 2500 diesel 4x4
Guarded by 2 Jack Russells

time2roll
Nomad
Nomad
Yes check the cord for issues. Most likely at one end or the other unless it has been damaged.