Not my RV...helping a lady.Gal has a 5th wheel...she had a retired electrician wire in a 50 amp jack for it at her house. She "said" that it worked for awhile, and does not now. Also said that he wired something wrong at first and "popped" the power. NO idea if that means it popped the house breaker, or popped a breaker in the RV.Checked for power at the plug that hooks to the RV power jack. The two L shaped sockets have 120 volts to the non L shaped socket, and have 120 volts to the contact on the side of the plug. I did NOT check L shaped socket to L shaped socket. If I do...these should read a relative zero volts correct? 240 volts would be wrong, correct?

Ground to neutral - 0 voltsL1 to neutral - 120 voltsL2 to neutral - 120 voltsL1 to L2 - 240 voltsThere are no "L shaped sockets."

Ok...always heard them referred to as 120 volt plugs (30 amp 120 volt, and 50 amp 120 volt). Sounds like is is 50 amp 240 then. Thanks.That said, she has power to her RV. She has a lamp plugged in that works. Slides don't work, one ceiling light (12 volt?) works. Most (all?) others do not work. Her Air Conditioning does not work. Cycled all breakers (main and branch), no help. Started pulling fuses and checking them, the few I checked were good, did not check all. Where do I head next? Does the DC have anything to do with the air conditioning (control?)? If the converter was dead...I would think the ceiling lights (all) would not work. But thinking I need to find/check the converter next.

The RV end of the power cord Bobbo...two L shaped sockets.

First thing I would do is ascertain that the 12V actually works by checking the converter or checking power at a DC output. That ceiling light could be 120V, can't take anything for granted in a situation like this. The thermostat may be DC powered. What you do next depends on what you find out.

Sean Boburk wrote:The RV end of the power cord Bobbo...two L shaped sockets.She has a 30 amp plug to the camper, and a 50 amp plug to the pedestal? Have you checked the voltage at the RV end?

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fj12ryder
Explorer III
Jun 11, 2020
First thing I would do is ascertain that the 12V actually works by checking the converter or checking power at a DC output. That ceiling light could be 120V, can't take anything for granted in a situation like this. The thermostat may be DC powered.

What you do next depends on what you find out.
Sean_Boburk
Explorer
Jun 11, 2020
The RV end of the power cord Bobbo...two L shaped sockets.
Sean_Boburk
Explorer
Jun 11, 2020
Ok...always heard them referred to as 120 volt plugs (30 amp 120 volt, and 50 amp 120 volt). Sounds like is is 50 amp 240 then. Thanks.

That said, she has power to her RV. She has a lamp plugged in that works. Slides don't work, one ceiling light (12 volt?) works. Most (all?) others do not work. Her Air Conditioning does not work. Cycled all breakers (main and branch), no help. Started pulling fuses and checking them, the few I checked were good, did not check all. Where do I head next? Does the DC have anything to do with the air conditioning (control?)? If the converter was dead...I would think the ceiling lights (all) would not work. But thinking I need to find/check the converter next.
Bobbo
Explorer II
Jun 11, 2020
Ground to neutral - 0 volts
L1 to neutral - 120 volts
L2 to neutral - 120 volts
L1 to L2 - 240 volts

There are no "L shaped sockets."

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