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Old 06-14-2014, 10:27 PM   #1
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Coach Electric Plug Melted?

We were at Myrtle Beach last week and when it came time to unplug from park power, my plug had partially melted into the surge protector. I know you have to keep prongs clean, and likewise on female plugs. What happened? Why? This was a 30 amp plug that was "protected" by the surge protector. It was impossible to separate them. I presume I will have to have the male end plug replaced as well as the surge protector? Need answers from those more aware than me on electrical!

Paul & Carol plus 2 Bichons
2015 Winnebago Sightseer 35G, Blue Ox Tiger TracBar, 5 Star tune, Safe-t-plus steering
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Old 06-14-2014, 10:37 PM   #2
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The problem may have originated with the park plug. I have gone into parks where I would hook up to the plug because it was obviously overheated from use by previous users; cracked and blackened. Clean connectors on the male side can't make up for loose/ damaged contacts in the female side.

Edit: OK, a re-read of your post, I miss read and thought your problem was with the connection to the park post; not from your surge protector to your cable.
It is possible to overheat connections without tripping a surge protector, with constant high loads. Air conditioning use along with microwave and other high amp draws can cause these problems, and can be made worse by low park power.
Does your surge protector have a low voltage shut down?

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Old 06-14-2014, 10:41 PM   #3
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I had a similar problem early on in my RVing experience while trying to use a 30 amp cord/plug-in to run too many things in my 50 amp coach. Normally, your breaker would prevent your 30 amp coach from pulling too many amps. However, a longer 30 amp cord combined with max draw from your unit and a slightly loose connection will cause the connection to heat-up. Doubt if it was anything you did--just a combination of high amp draw, cord resistance, and poor connection.
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