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9. What size if copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance?

9. What size if copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance?

EBK ELECTRICAL WIRING RESIDENTIAL
EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter3: Determining The Required Number Of Branch Circuits, Lighting Outlets, And Receptacle Outlets
Section: Chapter Questions
Problem 12R: How many lighting branch circuits are provided in this dwelling? __________ a. What is the minimum...
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9. What size if copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance?

10. What size overcurrent protection would be needed for the branch circuit in problem 9 if

(a) Time-delay fuses are used?

(b) Non-time-delay fuses are used?

(c) Circuit breakers are used?

9. What size of copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance? 10. What size overcurrent protection would be needed for the branch circuit in prob- lem 9 if (a) Time-delay fuses are used? (b) Non-time-delay fuses are used? (c) Circuit breakers are used? ntor toot of a single-
Transcribed Image Text:9. What size of copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance? 10. What size overcurrent protection would be needed for the branch circuit in prob- lem 9 if (a) Time-delay fuses are used? (b) Non-time-delay fuses are used? (c) Circuit breakers are used? ntor toot of a single-
What size of copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance? What size overcurrent protection would be needed for the branch circuit in prob- lem 9 if (a) Time-delay fuses are used? (b) Non-time-delay fuses are used? (c) Circuit breakers are used? dunamometer test of a single-
Transcribed Image Text:What size of copper wire would be needed for a branch circuit to a 7.5 hp 240 V motor on a vacuum pump located 25 ft from the service entrance? What size overcurrent protection would be needed for the branch circuit in prob- lem 9 if (a) Time-delay fuses are used? (b) Non-time-delay fuses are used? (c) Circuit breakers are used? dunamometer test of a single-
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