20.a. What's the primary disadvantage of using copper conductors? A. Durability B. Cost C. Availability D. Weight 20.b. The NEC requires that each service-disconnecting means be suitable for A. hazardous locations. B. disconnecting the meter. C. wet conditions. D. the prevailing conditions 20.c. As a general rule, each building or structure is limited to a single service. What's an automatic exception to this rule? A. A second service deemed suitable for use B. A second service having the proper markings C. Emergency systems or fire pumps D. Higher building occupancy
20.a. What's the primary disadvantage of using copper conductors? A. Durability B. Cost C. Availability D. Weight 20.b. The NEC requires that each service-disconnecting means be suitable for A. hazardous locations. B. disconnecting the meter. C. wet conditions. D. the prevailing conditions 20.c. As a general rule, each building or structure is limited to a single service. What's an automatic exception to this rule? A. A second service deemed suitable for use B. A second service having the proper markings C. Emergency systems or fire pumps D. Higher building occupancy
Chapter5: Conductor Identification, Switch Control Of Lighting Circuits, Bonding/grounding Of Wiring Devices, And Induction Heating
Section: Chapter Questions
Problem 23R: Define an equipment grounding conductor.
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20.a. What's the primary disadvantage of using copper conductors?
A. Durability
B. Cost
C. Availability
D. Weight
20.b. The NEC requires that each service-disconnecting means be suitable for
A. hazardous locations.
B. disconnecting the meter.
C. wet conditions.
D. the prevailing conditions
20.c. As a general rule, each building or structure is limited to a single service. What's an automatic exception
to this rule?
A. A second service deemed suitable for use
B. A second service having the proper markings
C. Emergency systems or fire pumps
D. Higher building occupancy
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