26 question
Based on the following motor nameplate information: 460 volts, three-phase, AC motor, service factor of 1.0, temperature rise rating of 50 degrees Celsius, rated for continuous duty, design letter B, code letter R, full load current rating of 74.5 amperes, and 60 horsepower; what minimum size THHW copper conductors are required for the motor branch circuit (Once again, assume all equipment is rated for use at 75 degrees Celsius)?
#1 #2 #3 #4
What minimum size THWN-2 feeder conductors were required in the previous question where they supplied the following three-phase, 230-volt, continuous-duty, Design B, AC motors (when they are all supplied by the same feeder): 15 hp, 15 hp, and 10 hp, and all equipment used is rated for use at 75 degrees Celsius?
#1 1/0 2/0 3/0
What minimum size THHW feeder conductors were required in the previous question where they supplied the following three-phase, 460-volt, continuous-duty, Design B, AC motors (when they are all supplied by the same feeder): 10 hp, 10 hp, and 5 hp, and all equipment used is rated for use at 75 degrees Celsius?
#10 #8 #6 #4
Based on the following motor nameplate information: 460 volts, three-phase, AC motor, service factor of 1.15, temperature rise rating of 50 degrees Celsius, rated for continuous duty, design letter B, code letter R, full load current rating of 10.3 amperes, and 7-1/2 horsepower; what minimum size THHN copper conductors are required for the motor branch circuit (Once again, assume all equipment is rated for use at 75 degrees Celsius)?
#16 #14 #12 #10
What minimum size feeder conductors are required by the Code for the following three-phase, 460-volt, continuous-duty, Design B, AC motors (when they are all supplied by the same feeder): 30 hp, 20 hp, 10 hp, and 10 hp. The feeder conductors will be THHN copper conductors, and all equipment is rated for use at 75 degrees Celsius.
#3 #2 #1 1/0
Based on the following motor nameplate information: 230 volts, three-phase, AC motor, service factor of 1.2, temperature rise rating of 40 degrees Celsius, rated for continuous duty, design letter B, code letter R, full load current rating of 39 amperes, and 15 horsepower; what minimum size THHN copper conductors are required for the motor branch circuit (Once again, assume all equipment is rated for use at 75 degrees Celsius)?
#3 #4 #6 #8
What minimum size THWN-2 feeder conductors were required in the previous question where they supplied the following three-phase, 460-volt, continuous-duty, Design B, AC motors (when they are all supplied by the same feeder): 25 hp, 20 hp, and 20 hp, and all equipment used is rated for use at 75 degrees Celsius?
1/0 #1 #2 #3
Based on the following motor nameplate information: 460 volts, three-phase, AC motor, service factor of 1.1, temperature rise rating of 40 degrees Celsius, rated for continuous duty, design letter B, code letter R, full load current rating of 120.4 amperes, and 100 horsepower; what minimum size THHW copper conductors are required for the motor branch circuit (Once again, assume all equipment is rated for use at 75 degrees Celsius)?
2/0 1/0 #1 #2
