AND their use]exam -unit
nine.questions and
correct choices 2024
Service-entrance and overhead service conductors shall be arranged so ________ shall not
enter the service raceway or equipment. - ANSWERS-water
Conductors must have sufficient _________ and sufficient ampacity to carry the current for the
load. - ANSWERS-mechanical strength
Nothing except power service-drop or overload service conductors can be attached to the
service ____________. - ANSWERS-mast
____________ shall not be used for overhead conductors, except for temporary wiring. -
ANSWERS-vegetation
For service-entrance cable, the radius of the curve of the inner edge of any bend must be at
least _________ the diameter of the cable. - ANSWERS-five
, Service-entrance cables must be fitted with a _______________ service head. - ANSWERS-
raintight
If USE cable contains at least two conductors, one can be ___________________. - ANSWERS-
uninsulated
A drip loop's lowest point must have a minimum vertical clearance of __________ feet. -
ANSWERS-10
Overcurrent devices shall not be located in the vicinity of ____________________. - ANSWERS-
easily ignitable material
Working space must always permit at least a _____________ degree opening of equipment or
hinged panels. - ANSWERS-90
Equipment can be located behind a door provided a __________ foot working space is achieved
by closing the door. - ANSWERS-3
Overcurrent devices must be __________________. - ANSWERS-readily accessible
Concrete, brick or tile walls are recognized as ______________. - ANSWERS-grounded
Electric equipment must be firmly secured to the surface on which it is mounted. Wooden plugs
driven into holes in masonry, concrete, plaster or similar materials (are / are not) acceptable. -
ANSWERS-not acceptable
The minimum working space height is ________ feet. - ANSWERS-6.5