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Old 07-08-2020, 09:19 AM   #1
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2004 Pace Arrow 36B AC power

This probably a question for an electrician but here goes. I am on shore power through a 30amp circuit. My RV is set up for 30amp service. My issue is that the hot lead of the 3 conductors get so hot (temp wise) it is melting the connections. Any ideas of what is causing this and fixes?
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Old 07-08-2020, 09:24 AM   #2
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Low voltage from the pedestal or a loose connection between the pedestal and your breaker box. My first place to look would be the male prong for the hot lead on the power cord. Second would be the contacts and connection on the transfer switch.
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Old 07-08-2020, 10:34 AM   #3
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Replace the 30 amp plug on your shore cable, IMMEDIATELY.

Once your plug gets damaged by heat or a weak / loose receptacle on a pedestal, its now bad and there isn't any way to repair it. I always carry a spare 30 amp plug in my parts box

30 amp connector replacement – 1999 Southwind 35S

I also carry a 50 to 30 amp adapter. If I plug into a 30 amp pedestal and it seems like a loose or bad connection, I use the adapter and plug into the 50 amp pedestal instead. Theses are usually in better condition.
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Old 07-08-2020, 12:20 PM   #4
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If the overheating is occurring at the shore power receptacle, then there's a good chance the problem is in the receptacle. Low voltage could be the problem but I'd say there's a better chance the problem came about because of a bad connection(s) inside the box or a worn out receptacle. The male plug on the shore power cord definitely needs to be replaced if it got burnt/melted.

We just encountered this problem back in May. Plugging into the campground's receptacle, my male plug engaged a bit too easily. Had a feeling it was going to be trouble so I made sure to keep an eye on it. Sure enough, within about 30 minutes, I noticed my plug starting to get warm and the electrical box getting hot to the touch. I immediately turned off the breaker and disconnected. Got campground personnel to install a new receptacle and everything ran cool after that.
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