DIY Home Improvement Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
5,929 Posts
100’ of #10Cu will have 3.1 volt drop at 15A. At 120V that is 2.62% voltage drop.

100’ of #12Cu will have 5.2 volt drop at 15A. At 120V that is 4.34% voltage drop.

So compare your measured voltage (compressor off) and subtract 8.3 volts of calculated drop. Compare to the compressor nameplate.
 
1 - 1 of 1 Posts
Top