And what would be the difference between the two? In what context does the word "total" come into play here? If you put two lights in parallel, with one drawing 1 amp and the other drawing 2 amps, then the two lights draw a "total" of 3 amps. But if you individually measure the amps flowing in each of the two poles of a 2-pole contactor, and if your meter gives you a reading of 15 amps in each case, are you going to conclude that the contactor is experiencing a "total" current of 30 amps? I hope not. This is not an "amps plus amps equals amps" situation. It is an "amps flowing out equal amps returning" situation.
Originally Posted by Smart $
Charles E. Beck, P.E., Seattle
Comments based on 2008 NEC unless otherwise noted.