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Old 07-29-2014, 02:49 PM   #1
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Extension Cord

Hello. I am new to using any kind of trailer for camping. Wife and I have been using tents for 32 years. We just bought a Forest River 2014 206LTD, and yes I know the jokes that it is still a tent. I also bought a Briggs & Stratton 3500W generator that will be used used during the day for a couple of hours to charge the batteries (2). We always camp in the boonies so no one is around. My question, what kind of extension cord would be best to connect from the trailer to the generator. I want the generator a ways from the trailer while charging the batteries. I heard a 10/3 gauge cord about 25' is the best. Any answers would be appreciated.

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Old 07-29-2014, 02:58 PM   #2
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If it was me I would go a little longer in length to keep the fumes away from the trailer.

Something like this.
Shop Utilitech 50-ft 20-Amp 10-Gauge Yellow Outdoor Extension Cord at

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Old 07-29-2014, 03:01 PM   #3
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Thanks for your help!
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Old 08-01-2014, 11:47 AM   #4
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If you are only using it to maintain batteries and ac you could use a regular 12 gauge extension and use and adapter if you have 30 amp plug. Even a 14 gauge is good is you do not have a big load on it. On a 12 gauge extension you can go 76 feet with 12.5 amp load with a maximun voltage drop of 3%, 48 feet if it is 14 gauge for same current. A 50 amp battery charger will draw max of 7 amp that full load with power factor of 1.25. A 8 amp load will get you 120 feet for 12 gauge and 75 feet for 14 gauge.
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