| Re: [GMCnet] shore power problem [message #176337] |
Wed, 11 July 2012 11:52 |
rallymaster
Messages: 662
Registered: February 2004
Location: North Plains, ORYGUN
Karma:
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Senior Member |
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Dirty/corroded connections on the adaptor or the extension cord?
I had connectors melt into a puddle at the junction of a 10 ga. cord and
a 12 ga cord. Both were melted; the 12 ga. male connector was all, gone,
all that was left was the actual metal blades. The center part of the 3
socket female on the 10 ga. cord was also slag. The water heater was
turned on and a 600 w heater may have been running. I know the contacts
on the 12 ga. cord were grungy, because they didn't plug in all the way.
The 10 ga. cord had never been used before. My 30 to 15 amp adaptor was
at the female end of the 12 ga. cord, and had no problems. I have
noticed warmth at the connectors of various extension cords in the past.
The cords themselves were not warm, just the plugs.
RonC
On Wed, 11 Jul 2012 09:53:06 -0500 Jon Roche <lqqkatjon@gmail.com>
writes:
>
>
> Just wondering if anybody has thoughts to my issue.
>
> a project I have not completed yet, is to install a 50 amp RV outlet
> for the GMC. I have the parts, just have not ran and hooked up the
> wires.
>
> so I connect my GMC up to my garage power, 15 amp outlet. with a 12
> gauge cord. going to a 30amp to 15amp adapter. and a 50amp to 30
> amp adapter.
>
> twice now, when I have run the A/C in the coach. I have had the
> cords burn/melt. first time was the 30 amp to 15 amp adapter, fused
> itself to my cord. I could not remove the adapter, it was melted
> in. I did not think much on that. because I figured the
> A/C was close to 15 amps. the adapter was cheap.
>
> the other day I was again running the A/C. and this time the 1 hot
> leg on the 50 amp plug that is on the GMC, melted into my 50 amp to
> 30 amp adapter. this one was a nicer quality adapter with the 1
> foot cord. I would of expected the 15 amp connection to get hot, or
> melt. but not the 50 amp portion. I got them apart. the adaptor
> is shot. but the gmc plug I just wire brushed off the burnt plasic
> off the plug. and it looks like it never happened.
>
> any thoughts? to me, it looks clean, and not corroded.
>
> I do not want to hook up to my new 50 amp box, and really cook
> something.
>
> but about a week ago, I did run the A/C overnight connected to a 30
> amp service at a campground, with that same 50 to 30 amp adapter
> cord that I just melted. and this past weekend I ran the A/C for a
> while connected directly to the 50 amp service with the plug on the
> GMC.
>
> any thoughts on this? anybody had the same problems?
>
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Ron & Linda Clark
1978 Eleganza II
North Plains, ORYGUN
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Ron & Linda Clark
North Plains, ORYGUN
78 Eleganza II
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