However long your shorepower cable, keep in mind that any and every power cable has a little bit of resistance per foot. The farther you go, the greater the resistance, and the lower the voltage measured at the load. That voltage drop is converted to heat inside the extension cord. You can't travel extreme distances without encountering problems.
Personally, I would try to avoid using any extension cord greater than 50 feet and I would want it to be the next heavier gauge than the one on the RV. For example, if your rig has an 8 AWG cable, I would want the extension cord to be a 6 AWG.
When using any shorepower cable over 50 feet, an effort should be made to reduce power consumption in the rig somewhat. If the extension cord feels warm to the touch, something needs to be turned off.
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2017 Thor Freedom Elite 23H
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