J jap Senior Member Occupation Electrician Jul 10, 2015 #1 If you use #8 thhn for a 7.5 HP 1ph motor (40 amp by the table) and size the OC/GFP Breaker at 70 Amps is a #8 EGC also required per 250.122? JAP>
If you use #8 thhn for a 7.5 HP 1ph motor (40 amp by the table) and size the OC/GFP Breaker at 70 Amps is a #8 EGC also required per 250.122? JAP>