H Hwire Member Jun 4, 2008 #1 How many 20 amp circuits may be in a conduit on 20 amp breakers before it is necessary to derate the breaker?
How many 20 amp circuits may be in a conduit on 20 amp breakers before it is necessary to derate the breaker?
roger Moderator Staff member Location Fl Occupation Retired Electrician Jun 4, 2008 #2 Duplicate thread Roger
