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Old 08-25-2014, 10:05 PM   #1
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Exclamation What happens when you send 220 volts down your trailer cord?

Yep...the nightmare has happened!

The Setting: A friend was expecting me to visit and wanted to have an electrical connection for my new White Hawk trailer when I arrived. He went to Walmart and purchased a 50 amp to 30 amp adapter cord, cut off the 50 amp end and wired it to a circuit breaker in the garage panel. Unbeknownst to me...it was wired to his 220 volt (welder) circuit~!

I roll in, set up and get plugged in. I open the trailer door and smell electrical smoke. ARGH! At first look, the only strange thing I noticed was the microwave clock was not on. We quickly disconnected and after some deliberation...figured out the huge mistake!

Ended up with a fried microwave oven, fried a nightlight in the kitchen outlet and fried the converter. So far...everything else seems to be in working condition.

I am an experienced RVer and yes...I KNOW BETTER! Don't let your guard down for a minute....ALWAYS CHECK YOUR ELECTRICAL VOLTAGE PRIOR TO PLUGGING IN THAT CORD! Trust no one.
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Old 08-25-2014, 10:47 PM   #2
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An electrician told me once " don't even trust your mother" always check it yourself.
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Old 08-26-2014, 12:27 AM   #3
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Sorry to hear of your troubles.
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Old 08-26-2014, 06:41 AM   #4
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That is the sort of reason that I wont plug into any outlet until I have one of these plugged in.
http://www.campingworld.com/shopping...y-30-amp/58464
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Old 08-26-2014, 08:24 AM   #5
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Your netural was hot! I would check anything that runs on AC for burnt wires.
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Old 08-26-2014, 09:18 AM   #6
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If it had been wired properly, it would not have caused a problem. 220 is nothing more than 2 110 legs of power being fed to your panel. My house boat shore power hooks to a 220 50A outlet but the 2 sides of the breaker panel in the boat are separate and I do not have double breakers so all I have is 110 to all circuits.

Had the friend only connected one leg of the circuit the feed to the RV would have been limited to 110. Previous poster is correct. What happened was that the negative was hot. All in all it was not a good solution to trying to provide shorepower to the RV. The friend should have used an empty slot on the panel and installed a 30A single pole breaker and created an RV outlet for his friend.
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Old 08-26-2014, 10:48 AM   #7
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When I was picking the brain of an electrician at work about a 30 amp RV outlet the first thing he said to me was "thats 220V right?" Thats when I decided to install it myself. Lol...
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Old 08-26-2014, 11:58 AM   #8
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Quote:
Originally Posted by 33 RLDS View Post
When I was picking the brain of an electrician at work about a 30 amp RV outlet the first thing he said to me was "thats 220V right?" Thats when I decided to install it myself. Lol...
Sometimes even the "pro's" are clueless if they haven't had experience with RV shore power receptacles.
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Old 09-02-2014, 01:50 PM   #9
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UPDATE:
Since this is not something covered under the warranty...
I've decided to fix these items myself.
FYI...
MICROWAVE
It's a built in HIGH POINTE brand 900 watt model. I a website and ordered an exact replacement model for $99 plus $34 shipping. Comes complete with trim kit. You take out the 4 screws on the front and the old one slides right out.

CONVERTER
I found the that the manufacturer is Progressive Dynamics. I contacted their service department and they sold me a reconditioned converter for $133 + $14 shipping. (one year warranty) Their are five wires to reconnect, as I already removed the converter from the Power Control Center. Should be a simple replacement to reconnect the wires.
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Old 09-02-2014, 03:04 PM   #10
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The a/c still works? That is one of the few things that run on 110 only (no 12v).
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