Multiple Choice
Conductors must have a vertical clearance of at least ____ above the roof surface.
A) 2 ft (0.6 m)
B) 4 ft (1.2 m)
C) 6 ft (1.8 m)
D) 8 ft (2.4 m)
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q11: Conductor sizes are expressed in American Wire
Q12: A one-family dwelling service disconnecting means must
Q13: Fuses must be plainly marked (by printing
Q14: Fuseholders for current-limiting fuses must not _.<br>A)
Q15: Cartridge fuses and fuseholders are classified according
Q17: Panelboards include overcurrent devices as well as
Q18: Underground service conductors are defined as the
Q19: Although not stipulated in the NEC<sup> </sup>,
Q20: Entrance cables must be supported within _
Q21: Type USE cable used for service laterals