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Old 08-10-2018, 07:58 PM   #1
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30 amp extension cord

I want to extend my shore power cord with a 30 amp RV extension cord I bought at Wal Mart. It has the plugs at either end to plug to the trailer cord and just extend it. I have a 30 Amp pedestal at the house and need the additional length. It's a 25 foot extension. Anyone see any potential problems?
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Old 08-10-2018, 08:09 PM   #2
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No issues with a 25 foot extension. Is your 30 amp pedestal receptacle at the house is 120 volts? It should be.
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Old 08-10-2018, 08:43 PM   #3
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nope, thats what its for
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Old 08-10-2018, 10:09 PM   #4
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Thanks for the feedback.

The pedestal is 120V.

Joe
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Old 08-10-2018, 11:13 PM   #5
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no problem - I've had to use an extension cord at RV parks.
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Old 08-11-2018, 12:01 AM   #6
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Used one for 5 days straight at My Old Kentucky Home SP. Have EMS and had no issues with the 50’ stretch to the pedestal.
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Old 08-11-2018, 12:14 AM   #7
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I use my 30' 30 Amp cord all the time here at home... it's the only way to reach the receptacle with the camper in it's "normal" spot.
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Old 08-11-2018, 12:51 AM   #8
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Use our 50 all the time to get the unit cooled down in our heat.
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Old 08-11-2018, 02:15 AM   #9
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I have a 30 Amp 50' extension cord that I use along with the original 25' cord. Use it regularly at a particular campground we visit. No problems.
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Old 08-11-2018, 04:56 AM   #10
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Having a total of 50' of #10 wire at 30 amps will have a voltage drop of 2.5% (3 volts), so that's well within the allowed voltage drop. However that doesn't take into account the run from the breaker to the receptacle.

100' of #10 wire at 30 amps will have a voltage drop of 5% which is the max allowable.
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