Wire size on 30 amp RV cables
Do the commercial 30 amp RV cables you purchase from Camping World, Walmart, etc use #10 gage wire or larger? I have 2 of these, both 25 feet long and noticed a 10 volt drop when running the heat pump...
Forum Discussion
Grandpa Joe wrote:
Do the commercial 30 amp RV cables you purchase from Camping World, Walmart, etc use #10 gage wire or larger? I have 2 of these, both 25 feet long and noticed a 10 volt drop when running the heat pump on my AC unit with the fan on low speed. Hot water heater was off, no other heavy loads.I do have a surge protector which will disconnect if voltage gets too low.
I suspect the outlet. Worn / loose contacts are probably to blame, more so that the wire in the cord. Repeat your test using a 50a to 30a adapter, as the 50a contacts are a lot beefier and generally used less.
