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Surgtech94's avatar
Surgtech94
Explorer
Jul 24, 2021

Extension Cord Useage - Guage

Sometimes at home we need to connect to an extension cord - camper cord not long enough. What size guage should we be using? Does it matter ? Thank you
  • The size depends on what you plan on running and what you are plugging into. If you are plugging into a 15 or 20 amp circuit you are limited right off the bat. I would not consider using anything less than a 10 gauge extension that is as short as possible. That would cut down on voltage loss. If you have a 30 or 50 amp socket you are plugging into get a matching extension as it may be handy in some campgrounds.
  • The typical home extension cord will have excesive voltage drop depending upon length and load.

    One option is a 30A or 50A RV extension cord. Another option is a heavy duty 10ga all copper cord - not a copper covered aluminum cord.

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