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Old 11-01-2020, 01:18 AM   #21
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You can purchase replacement rings from Amazon. Not sure this is the exact one.
A few dollars cheaper: https://www.amazon.com/Marinco-ParkP...dp/B07BDY3KZJ/
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Old 11-01-2020, 05:00 AM   #22
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With my Thor Palazzo I have the 50 amp version. The locking ring after many uses slowly wears out. It is now worthless. I push it on and pull it off! It is a no biggie. I push the connector in and twist. Push the ring on. When removing I pull the ring off, twist and pull the connector off.
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Old 11-01-2020, 11:51 AM   #23
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I just received that one yesterday. Weíll see if I can work onto the collar next time Iím at the storage location.
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Old 11-01-2020, 12:41 PM   #24
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Good luck!
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Old 11-01-2020, 01:12 PM   #25
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That's the correct cord and all. As stated above=someone cut the ring off. No big deal. Most of the time I don't use it any on my much heavier 50a cord. As is is as is.

Bill
you will be replacing the cord if you don't use the ring.
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Old 11-01-2020, 01:22 PM   #26
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From what I read about replacing the locking ring, try working it on using soapy water or use spray lube to help get it on. My unit is hard wired. My prior motor home had the locking ring set up.

Paul
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Old 11-06-2020, 02:38 PM   #27
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The replacement ring from amazon fit just fine after greasing it up and nearly busting a gut forcing onto the collar. Got it done though. Completely disagree with those saying not having the threaded ring in no big deal.. The twist lock part of the plug doesnít twist much. The weight of the cord pulls down significantly on the socket in my opinion. The locking ring quickly and cheaply eliminates any play or flexing here.
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Old 11-06-2020, 02:43 PM   #28
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The replacement ring from amazon fit just fine after greasing it up and nearly busting a gut forcing onto the collar. Got it done though. Completely disagree with those saying not having the threaded ring in no big deal.. The twist lock part of the plug doesnít twist much. The weight of the cord pulls down significantly on the socket in my opinion. The locking ring quickly and cheaply eliminates any play or flexing here.
I absolutely agree with your assessment of the need for the locking ring. Too much strain/wear on the contacts without it.
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Old 11-06-2020, 02:45 PM   #29
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Glad that you got it in place!
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Old 11-06-2020, 03:07 PM   #30
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I agree you need the locking ring. The cord stays in fine until your dumb brother-in-law trips over it, pulls it off the rig and bends all your pins. Itís also not good for your appliances.
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Old 11-06-2020, 04:02 PM   #31
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Wow... So NEMA has had it wrong all these years....
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Old 11-06-2020, 05:01 PM   #32
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Wow... So NEMA has had it wrong all these years....
Yeah, I would say so. It doesnít take NEMA or a rocket scientist to realize that the twist connection on the Thor supplied cord is not sturdy enough to avoid issues long term.. Iíd say mine turned less than 1/4Ē to lock. Thatís not enough. Do you suppose the threaded socket that comes with the MH along with the threaded ring on the power cord are there for decoration? I donít.
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Old 11-06-2020, 06:55 PM   #33
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Wow... So NEMA has had it wrong all these years....
Might want to expand your chart to include shore power connection standards, especially for wet environments, like Marine use. Even ships and submarines use threaded, sealing connector rings to maintain IP56 watertight standards on their 450 VAC, 400 amp shore power cables.
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Old 11-07-2020, 03:24 PM   #34
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Might want to expand your chart to include shore power connection standards, especially for wet environments, like Marine use. Even ships and submarines use threaded, sealing connector rings to maintain IP56 watertight standards on their 450 VAC, 400 amp shore power cables.
Now RVs are being compared with 450 volt submarines? I understand it being a 'sealing ring', just show me where it states it must be used.
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Old 11-07-2020, 03:55 PM   #35
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Oldweb, You're comments are hardly helpful. The MH and cord were designed to twist lock and secure with a ring. This thread provided feedback on how to restore that function. Youíve made you point on what a waste of time that is..
What would we do without you!
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Old 11-07-2020, 04:40 PM   #36
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Oldweb, You're comments are hardly helpful. The MH and cord were designed to twist lock and secure with a ring. This thread provided feedback on how to restore that function. Youíve made you point on what a waste of time that is..
What would we do without you!
Thank you, nice to be acknowledged. Just please do not ask me to fix the American voting system(s).
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Old 11-07-2020, 06:16 PM   #37
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Now RVs are being compared with 450 volt submarines? I understand it being a 'sealing ring', just show me where it states it must be used.
I wish the 30 amp plug on my portable generator allowed for threaded screw lock versus only relying on the twist lock. As it is; it sags with the weight of the 30 amp cord. Besides I wish my connection to be nuclear survivable in the event aliens attack us and we have to use nuclear warheads.



I have question for those that have had RV connection both ways, hardwired and with threaded twist lock connection. Which do you prefer to have?

My RV is hardwired direct to ATS. It is 50amp cord and about 30 feet long. I find myself having to do below steps and it seems inefficient; maybe I am doing it wrong?

1. Open Electrical bay compartment
2. Pull the full 30' shore power cord out and lay it out so it is no longer rolled up
3. Unsrew cap on the floor of electrical bay
4. Take the male plug from shore cord and feed it through hole on the floor
5. Pull Shore cord through hole in the floor all the way out and then connect to power panel
6. Stuff around cord where it comes in the floor with material that allows it to seal. (so no pest could crawl up short cord to get inside the bay)
7. Close and lock hatch door
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Old 11-07-2020, 06:39 PM   #38
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dkoldman

I have had both the one I had to connect at both ends and now a hardwired one. The good thing about the one I had to connect at both ends allowed me to store the cord in any storage compartment. The hardwired one has to go in the same compartment and runs through a hole in the bottom of the compartment to the shore power post. I have "stuff" on top of the hardwired cord to utilize the compartment which is not always the best thing to do. To me it doesn't matter which one I have once I got used to it. The advantage of attaching both ends and not hardwired means you can easily replace the cord in the event it becomes damaged versus having to disconnect/reconnect a replacement hardwired cord.


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