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Old 09-27-2010, 02:45 PM   #1
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50A to 20A splitters

Please forgive me if I am posting this in the wrong forum. I have a camping trip coming up at the end of October where a lot of extension cords and electrical devices will be used. Last year I kept overloading the outlets with roasters, crockpots, lights, etc. and we had to uplug some things to keep the food hot.

The campground has 50, 30, and two 20 amp outlets at each site. My TT uses the 30A plug, so I have the two 20's and the 50 available. I have been searching for a splitter to plug into the 50 that has 20 amp female ends. Has anyone seen anything like this? The parts guy at my local RV dealer says there is no such thing, but I don't like to give up that easy.

Ray
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Old 09-27-2010, 03:15 PM   #2
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Why do you need an adapter? 30 amp will be fine.
20 amp are just regular 3 prong plugs like your outlets at home.
You can get a 50 to 30 amp adapter and then adapt down to 20 amp but why would you? You will be popping breaker continually
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Old 09-28-2010, 07:03 AM   #3
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Party Box

Bring 2 extension cords for the campground 20 amp duplex would be the easiest solution if 20 amps is enough juice for your party.

If not, it would be very easy to wire up a box to do what you want.

The 50 amp plug is just two 110VAC circuits on one plug. The four pins are Earth Ground, Neutral (white), and two hot wires.

Make up 2 pigtails of 10 gauge (30 amp) exterior rubber coated 2 wire/w ground (BLACK, WHITE, GREEN) with a 20 amp Duplex socket in a waterproof box on each end. Connect one black wire to each of the hots, both white wires to the neutral, and both green wires to the "G"


However you MUST be concerned about overloading the wires and female connectors, since the outlet will deliver 50 amps to EACH of your 20 amp circuits.

A larger waterproof Pelican box could be used to make a "mini-fuse box" for the adapter. A nice sized one could be built to even hold the duplex outlets in the lid. Make sure you use waterproof covers on the outlets.

Look for two inline fuse holders/fuses rated at 20 AMPS VAC. Get 3 waterproof wire clamps large enough to hold the rubber wire you are using.

Drill the ends of the box for the waterproof wire clamps and put everything together. The inline fuses go on each HOT leg into the box. Seal all openings with RTV or Silicone Caulk.

Carry spare inline fuses. You will most likely need them.
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Old 09-28-2010, 10:42 AM   #4
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You could do what Lou said but I'd just carry a couple extra 12 ga extension cords and use the 20 amp service at the post.

Making a 50 to 20 amp adapter is gonna be expensive if done correctly, and dangerous (or deadly) if not.
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Old 09-28-2010, 10:52 AM   #5
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Quote:
Originally Posted by Bama Rambler View Post
You could do what Lou said but I'd just carry a couple extra 12 ga extension cords and use the 20 amp service at the post.

Making a 50 to 20 amp adapter is gonna be expensive if done correctly, and dangerous (or deadly) if not.
The problem is he's using cooking appliances which draw plenty of amperage.

If this is going to be doing this on a regular basis, I'd do as Lou stated; and be done with it.
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Old 09-28-2010, 10:53 AM   #6
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Thanks for the suggestions. I think wiring an adapter is out of my league.

I don't think I was clear when I started the thread. The 30A and both 20A outlets are already being used. I was trying to find a way to use the open 50A outlet with some type of adapter that would result in additional 20A outlet(s) for other things needing juice. Looks like I will need to use multiple adapters to do the job.
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Old 09-28-2010, 11:26 AM   #7
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Wouldn't this work ?? Save at RV Partscenter - RV Parts and Supply

Then just pick up 2 30 amp to 20 amp connectors, and you should be ready to go.
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Old 09-28-2010, 11:39 AM   #8
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Wouldn't this work ?? Save at RV Partscenter - RV Parts and Supply

Then just pick up 2 30 amp to 20 amp connectors, and you should be ready to go.
Yeah, I think this is the way I will need to go. Thanks for the link.

Ray
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Old 09-28-2010, 03:14 PM   #9
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Its 90 bucks! (plus shipping)

http://www.adventurerv.net/parkpower...30-p-2726.html

Also no fuses are seen; if there are 30 amp fusable links inside the rubber, if you pop one you throw away the cord.

Plus, you still need 2 RV 30 amp male to 15 amp female adapters.

Camco Power Grip Electrical Adapter 30M Amp to 15F Amp - $4.19
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Old 09-28-2010, 03:23 PM   #10
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Lou,

I like the prices better on the link that you posted! Thanks.

Ray
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