19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors? A. 4/0 B. 1/0 C. 2/0 D. 3/0 20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screw B. wire C. clamp D. busbar
19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors? A. 4/0 B. 1/0 C. 2/0 D. 3/0 20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screw B. wire C. clamp D. busbar
Chapter4: Conductor Sizes And Types, Wiring Methods, Wire Connections, Voltage Drop, And Neutral Conductor Sizing For Services
Section: Chapter Questions
Problem 7R: What is the voltage rating of the conductors in Type NMC cable? _______________
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19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors?
A. 4/0 B. 1/0 C. 2/0 D. 3/0
20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screw
B. wire
C. clamp
D. busbar
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