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Old 08-27-2012, 11:17 PM   #1
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Check your power adaptors (Dogbones)

Just a heads up. 6 years ago +/- are Newmar fifth wheel caught fire while parked in are backyard. It was connected to 110v power. Nothing but the converter was on. The fire dept thought it was due to electrical. The 20 amp breaker never popped.

The other day I was inspecting the adaptors. 50 amp to 30 amp, 30amp to 20 amp. The netural on the 50 amp female got hot and melted. The 50 Amp netural on the male also got hot and melted. I cut off the male plug and replaced. The female 50 amp to 30 amp adaptorwas a Cameo. The adaptor had yellow ends and looks real nice.

I cut the 50 amp plud to inspect the quality. After cutting it open I discovered the 50 amp female is really low quality. When I purchased another one of the same I noticed it is not UL listed and is made in China.

When I have time I'm going to make my own out of quality parts.

You might want to check yours for signs of heat.


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Old 08-28-2012, 02:33 AM   #2
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Hi and welcome to the forum. Thanks for posting an important reminder.

So, was the fire unrelated to your discovery of the burned connections?


Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.

2007 Itasca Ellipse 40FD
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Old 08-28-2012, 04:14 AM   #3
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There is a big problem with forged UL labels Labels Make a Difference | Counterfeits Can Kill
I have sitting on my desk two male plug ends from short Harbor Freight 12Ga extension cords that I use outside the teardrop. In each case the ground pulled out of the cord in the process of unplugging them (no abuse by bending, just a straight pull). The attachment to the wire is very under strength and poorly made. The wire appears to be 12 ga so new ends took care of the problem. To be safe I will be replacing the female ends as well.
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