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Old 07-29-2017, 07:34 PM   #1
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Default power cord connection to RV Melting

The female electrical receptacle that is fixed to the van is melting and sticking to the cord. The product is Furron. It is a 30 amp cord and receptacle. I use a surge a Surge Guard model 44260 between the pedestal and the power cord.

I had this problem 2 years ago. I replaced both the cord and the receptacle and it was fine until today.

Any Suggestions
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Old 07-29-2017, 08:48 PM   #2
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Originally Posted by polkcitypat View Post
The female electrical receptacle that is fixed to the van is melting and sticking to the cord. The product is Furron. It is a 30 amp cord and receptacle. I use a surge a Surge Guard model 44260 between the pedestal and the power cord.

I had this problem 2 years ago. I replaced both the cord and the receptacle and it was fine until today.

Any Suggestions
Since 2013 I have 30A SmartPlug in my van, love it. Strait in insertion, safe connector. Used to be available in the marine version but now it is available for the RV market as well.
RV Market Smart Plug
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Old 07-31-2017, 01:55 AM   #3
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Quote:
Originally Posted by polkcitypat View Post
The female electrical receptacle that is fixed to the van is melting and sticking to the cord. The product is Furron. It is a 30 amp cord and receptacle. I use a surge a Surge Guard model 44260 between the pedestal and the power cord.

I had this problem 2 years ago. I replaced both the cord and the receptacle and it was fine until today.

Any Suggestions
If you are using the 30 Amp twist lock then this is a well known problem.

Inlet 110vac Twist Lock Power Connector. - Sportsmobile Forum

I don't know why any RV's are still using the twist lock.

Go "Smart Plug".
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Old 07-31-2017, 03:50 AM   #4
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heat/melting indicates a poor connection- loose or corroded wires.

hubbell type twist locks have been and are still in use for many 120/208/220 type connections.

mike
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Old 07-31-2017, 04:58 AM   #5
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heat/melting indicates a poor connection- loose or corroded wires.

hubbell type twist locks have been and are still in use for many 120/208/220 type connections.

mike
Yes they are still being used. Here is the argument that I think proves that they should be replaced.

https://forums.sailboatowners.com//i...g-post.159471/
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Old 07-31-2017, 01:13 PM   #6
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Other than GeorgeRa DIY B and he at the time had to configure a custom cord at the source end, I only know of one company that provides the SmartPlug in a Class B and that is Advanced RV when SmartPlug started offering an RV plug.

You'll never find a SmartPlug replacement cord in an RV store or campground store and I guess the competitiveness of keeping cost down is the reasons others haven't adopted it.
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Old 07-31-2017, 01:14 PM   #7
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Quote:
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Yes they are still being used. Here is the argument that I think proves that they should be replaced.

https://forums.sailboatowners.com//i...g-post.159471/
Golly. Do you think there is any chance that that guy has a commercial connection with Sailboatowners.com?

I have no opinion on the quality of the standard connectors (although I have never had any problems with mine, and they certainly are still the standard in the industry); and by all accounts the SmartPlug is a good product. But, I know a one-sided, self-serving polemic when I see one. Straw men everywhere!
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Old 07-31-2017, 01:19 PM   #8
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I didn't realize there were issues with melting until this thread but I have to say the Smartplug in infinitely better in plugging into the RV in convenience and location.
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Old 07-31-2017, 02:16 PM   #9
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I spent the past few days ( and will the next few weeks) working at Caesar's Coliseum.

there are approximately 700 theatrical stage lights-

each of with has a hubbel twist lock connector for safety and security.

they are industry standard.

I've never had one burn up or dislodge accidently.

The OP has a non-connector problem to address.

the repair may allow for the selection of another type connector ( fine as long as rated)- but I like to know I can fix/repair/replace with stuff from home depot

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Old 07-31-2017, 03:38 PM   #10
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As others have mentioned, the twist locks have been the standard in industrial applications for decades, and I have dealt with them in every factory I worked in for the last 45 years. The ONLY failures (like twice) were because the wire connections screws in the plug or socket were loose, either from careless assembly or poor strain relief on the wiring, I think.

That said, the sealing system used in outdoor models like are used in RVs is horrible IMO. Hard to put on, prone to damage, prone to leak, and worst of all lots of them have been removed or left loose. When I added our plug to the stock hardwired Roadtrek setup, I put it in the protected area in front of the driver side rear wheelwell, and added some extra splash protection to keep it dry when driving, even though it has a cover. Our plug seal stayed on about two uses as DW was unable to turn it tight. I have never found any water under the cover, or in the socket.

If a twist lock gets water in it, it will take forever to dry from the female side because of the deep and turned holes, and corrosion is inevitable.

My guess would be the units that are getting failures are getting moisture in them from some sort of sealing, use, or application type of thing like movement, huge temp swings, etc. When used in a dry environment, they seem to last forever.

I would also guess that the biggest improvement with the Smartplug is in the sealing, not the actual contact areas.
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