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Old 03-25-2007, 09:51 PM   #15
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Plugging in at home

Does any body know the commercial name/number etc for the 30 amp 110v RV recptacle and the larger 50 amp recptacle?
(Please excuse spelling)
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Old 03-25-2007, 10:01 PM   #16
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beginner,

the 30 amp is nema# TT30-R for the receptical and TT30-P for the plug

the 50 amp is nema# 14-50R for the receptical and 14-50P for the plug

this is a good page that explains it, scroll down. RV Wiring

john
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Old 03-26-2007, 05:46 AM   #17
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Plugs/Recp

Thank You Sir
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Old 08-03-2009, 05:57 PM   #18
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I have a power cord adapter that plugs into the standard 120 V / grounded outside wall plug on the side of my house. The other end plugs into the 25 AMP AS power cord plug.
I think it's a standard RV item.
It's plenty of power to run everything in your AC except the air conditioner.
You may also want a water pressure regulator if you hook up to city water, they're cheap only about $7.00 at WalMart / RV Stores etc.
As for the sewer hookup ----------- aren't you right next to your house, can't you go inside for that?
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Old 08-03-2009, 07:02 PM   #19
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Sorry for such a stupid question, but how do I know how many amps are coming from my house? I just brought my trailer home and I have a heavy duty electrical extension cord plugged into my outside patio outlet. There is a panel in my trailer that wants me to pick the ingoing AC amps.

Thanks,
Carol
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Old 08-03-2009, 07:27 PM   #20
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A standard house plug is 15 amps. It will look like this:



It might be 20 amps, and it would look like this:

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Old 08-04-2009, 03:53 PM   #21
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Thanks Az,

So it must be 15 amps. Now next question...
Am I OK running 4 small fans and Dometic frig with heavy duty extension cord (I think about 50') from that house outlet to trailer 3 prong adapter plug to big electrical trailer connection to trailer? That's a mouthful...
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Old 08-04-2009, 04:25 PM   #22
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30 amp vs 20 amp

This past weekend was spent at grandson's baseball tourney and set up in front of a friends house who happens to be a retired electrician. I had to use my 50 Ft. extension cord to make it to the 20 amp plug at his garage. I happen to have a separation in the outer jacket of my extension cord at the plug so he was able to clamp his ampmeter around the black wire. My 26 Ft. Argosy pulled 3 amps with the refer on and 13.5 amps with the dometic AC going full load. I wish now I would have turned on all the lights to see if that would exceed the 20 amp rating. I have been plugging in to 20 amp at home and run the AC and keep the refer cold for weekend getaways. Its hard to check amperage draw unless you have the right equipment ( and a ratty cord)!
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Old 08-05-2009, 03:11 PM   #23
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Quote:
Originally Posted by cclarkego View Post
Thanks Az,

So it must be 15 amps. Now next question...
Am I OK running 4 small fans and Dometic frig with heavy duty extension cord (I think about 50') from that house outlet to trailer 3 prong adapter plug to big electrical trailer connection to trailer? That's a mouthful...

The short answer - Depends........

Check your fans for a plate that has information on power requirements such as 120V 2amps - add up the amps and check to make sure it's the operating amps and not the startup amps. Then check your fridge information plate or manual. Add that to the fan total. That should give you the max draw for your load - keep in mind you may be operating other unknown electrical items such as the power converter or tank monitors, etc.... There are calculators online that tell you the drop in power for a cord over some distance. Look one of those up and that will tell you the power you have at the end of the plug by the trailer. It should exceed the draw amount.

I have added the trailer box to a 30amp breaker at my house - very easy to do with common tools. I recommend doing that for safety.

Mike
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Old 08-05-2009, 03:17 PM   #24
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I used a 30 amp 120v, RED DOT CODE KEEPER setup for the RV outlet..
What's nicer is, if you can put in a regular 120v gfi outlet too..
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Old 08-05-2009, 04:23 PM   #25
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The POs of our house had electric and water put in to the RV garage. The circuit breaker at the main box is 30a, however the receptacles at the garage are 15a each (we have two receptacles). When we add the 15a adapter to our 30a plug, we are able to use our A/C. Is it possible to replace the two 15a receptacles with one TT30-R receptacle, or does it need to be completely rewired?
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Old 08-05-2009, 11:56 PM   #26
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Plugging in at home

Quote:
Originally Posted by clancy_boy View Post
The short answer - Depends........
I have added the trailer box to a 30amp breaker at my house - very easy to do with common tools. I recommend doing that for safety.
Mike
What is a trailer box?

Carol
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Old 08-06-2009, 06:56 AM   #27
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Yes, you should be able to replace two 15a outlets with a 30a if there is a 30a breaker in the main panel. Make sure the cabling coming from the 30a breaker is at least #10 AWG all the way to the new 30a plug.
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Old 08-06-2009, 01:58 PM   #28
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What is a trailer box?

Carol
Available at all home supply big box stores.

It's the same 30amp plug you would use at the RV park so no new cables. Just make sure when you add it you get a permit and/or a licenced electrician to inspect/install one for you using the correct wiring and breaker in the main box.
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