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Old 07-19-2018, 12:03 PM   #1
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Sacrificial power cord end?

While touring the northwest recently we stayed in 21 different campgrounds. Some had good voltages and good power post sockets and some didn't.
Somewhere in the mix I discovered one prong on the male end of my 30 amp cord had overheated. I think it's ok but it's discolored and very slightly melted the plastic around it's base.

I wonder about some sort of short sacrificial pig tail I could plug into questionable worn sockets in order to protect my expensive main cord.

Any ideas??
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Old 07-19-2018, 02:59 PM   #2
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Camco makes one and I'm sure others do as well.

Camco 18" PowerGrip Extender

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Old 07-19-2018, 07:22 PM   #3
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Thanks!! There are tons of "adapters" but an actual 30 to 30 was hard to find.
Once I found the camco 55205 number I googled and found it at Wal-Mart for 10 bucks with free ship to store. That's cheaper than a replacement cord end. And a burned cord end could have left us in 100 deg heat without AC!
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Old 07-20-2018, 06:48 AM   #4
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Bama, thanks again! Donno how you found it. There are 20A to 30A
50 to 30, 30 to 50, 4 prong genny to 30A and on and on..... finding a true 30 to 30 was like finding that needle in the haystack!
I know it's just another accessory that most won't feel the need for but I saw a LOT of worn, loose, burned power post sockets on my recent NW trip and this is going to be my 1st line of defense against a fried power cord plug.

We found so many 30 amp sites that had low voltage I was thinking we needed to pay for 50 amp sites just so I could have enough power to run the AC in my little 30 Amp rig....
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Old 07-20-2018, 07:03 AM   #5
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One prong? Which prong?

I realize this is 100% different, being 30 amp..........but a friend had the neutral prong on his plug go loose (50 amp trailer) and had a fire.......and his portable EMS didn't see it of course, being past that location. I realize his was caused by the short between L1 and L2 and you don't have that problem.

Still..........I think I'd take that plug end apart and see what MIGHT need replacing before I'd simply plug a new one onto the end of it. I'm not very electrical smart, and maybe that doesn't matter. Others can chime in.
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Old 07-20-2018, 07:43 AM   #6
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Can't take my cord end apart to "check" as it's a molded on cord end.
My EMS is in the trailer so it should kick out if there's an issue.
In fact it did kick out in 2 or 3 different campgrounds when voltage was very low.... like I said, I felt like I needed to pay for a 50 amp site just so I could get usable 30 amp service in a couple of places.
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Old 07-20-2018, 07:56 AM   #7
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Yes, a hardwired EMS situation would not encounter that issue. Good to point that out.

I was just thinking outloud.......that maybe that cord is compromised in some way. I know I'd wonder about that.
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Old 07-20-2018, 07:59 AM   #8
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Dan, my only thoughts are that you are adding, yet, one more connection point. No problem while its all new, but as things age and tarnish, each connection point adds resistance which means heat...leading to further degradation. Were it me, I would just repair/replace the original connector. Good luck.
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Old 07-20-2018, 08:06 AM   #9
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worn and/or corroded ends can be a problem
even on worn connections this chemical stuff can help...
I carry a can of this stuff with me and frequently spray my electrical ends and sockets even on my TV trailer wiring...

Quote:
CAIG DeoxIT D5S-6 fast-acting deoxidizing solution cleans, preserves, lubricates, and improves conductivity on all metal connectors and contacts. Use as a general treatment for all conductive metal surfaces, and on non-critical metal surfaces with severe oxidation and corrosion. New 60th anniversary can includes Perfect-Straw applicator attached permanently to the spray nozzle to prevent loss.
cheapest place I find to get it is...

https://www.parts-express.com/caig-d...straw--341-200
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Old 07-20-2018, 08:32 AM   #10
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The good thing about using the extension is that if you do burn up a blade you can cut it off and replace it with a new plug a couple of times if you want to. Of course a new plug is only a dollar less than the extender.

Keeping the plugs clean is a good idea. I use dielectric grease very sparing on my plugs.
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