D derek22r Member Feb 1, 2007 #1 Is it legal to place multiple motors (4 - 5h.p.) on a single starter where there would be individual overloads, but only one circuit breaker and contactor. Can't find this in the code.
Is it legal to place multiple motors (4 - 5h.p.) on a single starter where there would be individual overloads, but only one circuit breaker and contactor. Can't find this in the code.
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Feb 1, 2007 #2 430.53(C), requires the controller to be listed for this application.
John Valdes Senior Member Location SC. Occupation Retired Electrician Feb 1, 2007 #3 I have never heard of a 4 HP motor? Unless it is rated in KW.
T tony_psuee Senior Member Location PA/MD Feb 1, 2007 #4 "I have never heard of a 4 HP motor?" John, I take it to be, quantity of 4, 5hp motors. tony
F FrancisDoody Senior Member Location Durham, CT Feb 1, 2007 #5 430.87 430.87 check out 430.87 to see how a single controller can control multiple motors. Reading the exceptions.
430.87 430.87 check out 430.87 to see how a single controller can control multiple motors. Reading the exceptions.
D derek22r Member Feb 1, 2007 #6 Sorry, yes I meant 4 each 5 horsepower motors. Thanks, that is was I was looking for.
John Valdes Senior Member Location SC. Occupation Retired Electrician Feb 2, 2007 #7 It's not your fault derek22r. It's mine, and Tony corrected me.