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Old 08-27-2011, 10:26 PM   #1
Join Date: May 2010
Location: Montrose, Colorado
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Use of a 50 amp extension cord on my Georgetown

I just had a 50 amp plug placed on the outside of my house. It works great for my Georgetown 315 but a better more flat location is further across the drive, another 30 to 40 foot distance then the factory installed RV cord currently reaches. The 50 amp cord on the motorhome is about 30 feet long. Can I use a good quality 50 amp extension with out any problems to reach the better spot? Any suggestions on brand etc. Thanks Bob

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Old 08-27-2011, 11:46 PM   #2
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It depends on what you intend on running in your camper that far away, Voltage drop could be a problem. You could compensate for this by building your own cord and using a larger gauge wire. Make sure they used a large enough wire on the plug you added. The total distance is from the breaker to the camper, not plug to camper.

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Old 08-28-2011, 12:33 AM   #3
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I use an 25ft 50 amp extension cord along with my cord attached to the coach without any problems. Your wire from the breaker to the outlet should be at least be a 8/3 wire with a ground. That wire consists of 2 hot leads [black] 1 neutral [white] and a ground wire [green or could be bare] That will handle the 50 amps required to run everything. You just can't run both ACs, Microwave, TV, Coffee Pot, Electric Water heater and a blow drier all at the same time without tripping the 50 amp main.

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Old 08-28-2011, 06:56 AM   #4
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i would think u should be able to be ok on a 50amp extension cord. just make sure it is capable of carrying the 50.
if u build ur own, it would call for #6 wire.

no more distance than that, #8 would not give u any problems as long as the electrical is balanced. ie one a/c on one side and the other on the other. u could actually run both on one side but it would not leave much room for anything else trying to run on that side. if u decide to go with #8, i would change the breaker (for the outside box) to a 2 pole 40 amp.
i had a link to a company that would cut what ever link u wanted and make it up...but i've slept sense then and can't find it.
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Old 08-29-2011, 08:23 PM   #5
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I can't see you having trouble with an extension cord, there are still alot of houses that run with a 60 amp service and you probably don't have near the load. It would be cool to put a clamp amp meter on the wires and see how much you can make it draw. The thing about making your own cord is that the ends won't be weatherproof and you can't likely purchase the parts for the cost of a premade cord.
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Old 08-30-2011, 06:50 AM   #6
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Location: Louisville, KY
Posts: 5,651 Camco 55195 30' RV Extension Cord with Handle: Automotive

I don't think you'll have a voltage drop problem with just one
30 foot cord. It would be a good idea to keep the end dry where you
plug your trailer into the extra cord.
A bucket or something similar set over the junction can do the trick.

Good luck!

Dan & Rita D
2004 5.3L Silverado 1500 ext. cab 2WD
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Blue Ox WD hitch, AirLift load levelers

Camping days 2010-53, 2011-47, 2012-41,
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50 amp

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