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post #1 of 6 Old May 9th, 2008, 6:16 pm Thread Starter
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Question RV electrical question

Do any of you electrical gurus out there have any idea how many 50 amp 125/240 extension cords you can string together from the power source to the RV?

Is there a significant loss of power over a certain distance, risk of fire, or any other problem?

Thanks


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post #2 of 6 Old May 9th, 2008, 6:35 pm
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Re: RV electrical question

Depends on how much of a voltage drop you can tolerate and that will depend on how many amps (load) size of wire and how far you string this wire.

Gonna make a couple of assumptions here. I'd say that you'd be OK out to 100' providing you don't try to run too much stuff at the same time causing a large amp draw and then a voltage drop. Put the reefer on gas, be sure the water heater is on gas, tell the electric control panel that you are on a 30 amp circuit and you'll be OK. Measure the voltage, line to neutral and as long as it dosen't drop below 108 you can assume all is well.

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post #3 of 6 Old May 9th, 2008, 6:57 pm Thread Starter
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Re: RV electrical question

Thanks for the input, Gunny. Unfortunately I have an all electric rv, so I can't switch to gas. I was hoping for a 100 foot distance.

Here is a description of the cords I am looking at:
"36 feet 50amp RV / Camper extension cord rated for 125/250V. This cord is UL and cUL approved so it suits both the U.S. and the Canadian market. This high quality power cord has three 6 gauge and one 8 gauge 100% copper wires that are individually insulated and color coded."

Thanks






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post #4 of 6 Old May 9th, 2008, 8:03 pm
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Re: RV electrical question

That 50 amp cord is going to be much less than 50A if you add more of them to get you 100'

Try looking here http://www.myrv.us/electric/
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post #5 of 6 Old May 9th, 2008, 8:11 pm
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Re: RV electrical question

Quote:
Originally Posted by Chick
Thanks for the input, Gunny. Unfortunately I have an all electric rv, so I can't switch to gas. I was hoping for a 100 foot distance.

Here is a description of the cords I am looking at:
"36 feet 50amp RV / Camper extension cord rated for 125/250V. This cord is UL and cUL approved so it suits both the U.S. and the Canadian market. This high quality power cord has three 6 gauge and one 8 gauge 100% copper wires that are individually insulated and color coded."

Thanks



With 6AWG conductors at 100 feet you are looking at about a 2% voltage drop at 50 amps. This drop is for solid copper wire - stranded extension cords will actually have less voltage drop. You should be fine.

Randy Prade
Aurora, CO

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post #6 of 6 Old May 9th, 2008, 8:36 pm Thread Starter
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Re: RV electrical question

Thanks, guys! As usual you are VERY helpful.



God bless


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