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Old 11-12-2019, 02:24 AM   #1
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Shore line power cord getting hot at connectors

We were camping in Branson last couple of weeks and one night I happened to feel the power cord and it was hot to touch where the cable hooks up to the motor home inside where it plugs into coach. I took it apart and could see where it was a little discolored any suggestions. I have a 2016 Thor challenger 37kt.
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Old 11-12-2019, 03:04 AM   #2
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Quote:
Originally Posted by Elliesadie View Post
We were camping in Branson last couple of weeks and one night I happened to feel the power cord and it was hot to touch where the cable hooks up to the motor home inside where it plugs into coach. I took it apart and could see where it was a little discolored any suggestions. I have a 2016 Thor challenger 37kt.
In my experience, when a plug heats up like that, you're drawing more amps than the connection can handle. Is it hot at the pole or the RV?

Spark Chasers welcome.
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Old 11-12-2019, 03:30 AM   #3
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Those infrared hand held thermometers are great for logging or diagnosing trouble spots in your rig or at home. Last week I could tell the RR caliper was out on my Jeep in 20 seconds also found some bad wiring at my panel @ home by the temp. rise. Low cost and Very handy.
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Old 11-12-2019, 05:00 AM   #4
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Here's a post for you. Internally Shorted 30Amp Power Pedestal Plug

It would be a good idea to remove the socket and check that the wires inside (to the auto transfer switch) are tight. I've meant to but ...
Also Mike Sokol has several articles on power pedestal saf practice, inspections, etc. Here's one about loose connections.
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Old 11-12-2019, 12:06 PM   #5
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I agree: check to make sure that everything is tight.
Good luck!
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Old 11-12-2019, 12:35 PM   #6
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Is the connection to the RV a Twist lock? Did you turn it to the right? Did you install the locking ring? Burning is caused by loose connections. Remove the outlet at the RV and check connections on the back side.
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Old 11-12-2019, 01:58 PM   #7
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Hot cord

It was hot where the cord screws into the motorhome
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Old 11-12-2019, 02:57 PM   #8
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Quote:
Originally Posted by Elliesadie View Post
It was hot where the cord screws into the motorhome
did you read post #6?
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Old 11-18-2019, 06:22 PM   #9
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I agree: check to make sure that everything is tight.
Good luck!
Bob....I love GODZILLA:-)
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Old 11-18-2019, 06:37 PM   #10
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Old 11-18-2019, 07:39 PM   #11
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6 days I guess I'm not gonna get an answer.
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Old 11-18-2019, 07:59 PM   #12
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I found this Youtube video.



The 50 amp coaches seem to get the twist-lock setup.
I'm not sure about the 30 amp rigs...
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Old 11-18-2019, 08:06 PM   #13
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Quote:
Originally Posted by Bob Denman View Post
The 50 amp coaches seem to get the twist-lock setup.
I'm not sure about the 30 amp rigs...
My 30 amp cord is a twist-lock.
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Old 11-18-2019, 08:11 PM   #14
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There ya go: Thanks!
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Old 11-18-2019, 08:44 PM   #15
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Quote:
Originally Posted by Elliesadie View Post
We were camping in Branson last couple of weeks and one night I happened to feel the power cord and it was hot to touch where the cable hooks up to the motor home inside where it plugs into coach. I took it apart and could see where it was a little discolored any suggestions. I have a 2016 Thor challenger 37kt.
Same thing happened to me in AZ a couple years ago. I noticed the cable getting hot and then no power shortly after. Removed the receptacle off the side of coach and found the wires loose and the receptacle partially melted. It wasn't melted so much that I could not use it, so tightened all the wire connections, installed it till I got home from trip and replaced it. I had the transfer switch almost melt down due to loose and improper connections also, and have since gone thru every connection I could find to make sure they were secure. Don't forget the junction box on gen and HWH.
I think I bought a kit koach. I think it is mostly fixed now.
Hope you get your problems fixed soon.
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Old 11-18-2019, 08:58 PM   #16
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That is a standard 50 amp RV connection. Newbies and non-handy types do not know you must twist it to the right and install the locking ring. If you don't do that it will get hot and burn up. They come in 30 amp also.
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Old 11-18-2019, 09:42 PM   #17
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I was wondering about that locking ring...
Not tightening it; could easily be one possible cause.
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Old 11-20-2019, 11:20 PM   #18
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I would take things apart as suggested but also if the blades look dull shine them up with some steel wool or similar. also try some NOALOX-4-oz-Anti-Oxidant-Compound
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Old 11-21-2019, 02:15 AM   #19
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Quote:
Originally Posted by Elliesadie View Post
We were camping in Branson last couple of weeks and one night I happened to feel the power cord and it was hot to touch where the cable hooks up to the motor home inside where it plugs into coach. I took it apart and could see where it was a little discolored any suggestions. I have a 2016 Thor challenger 37kt.
Look t prongs on plug. Are they dirty, corroded?
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Old 11-23-2019, 08:20 PM   #20
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whatever anyone says its caused by current draw being too high. This had a coupel of cause. Bad connection in the plug causing restistance as mentioned above is one. The voltage at the pedastal is too low or you are running too many appliances at once like A/C hot water, etc.
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