HW 212 B | QUESTIONS AND ANSWERS | 2025/2026
UPDATE | 100% CORRECT
Overhead branch circuit and feeder conductors shall not be installed ___
openings through which materials may be moved, such as openings in farm
and commercial buildings, and shall not be installed where they will obstruct
entrance to these building openings. Answer - beneath
Live vegetation, such as trees, may support overhead conductor spans. Answer
- False
If festoon lighting exceeds ___ feet, the conductors shall be supported by
messenger wire. Answer - 40
Where buildings exceed 3 stories or 50 feet in height, overhead lines shall be
arranged, where practicable, so that a clear space (or zone) of at least ___ feet
wide will be left either adjacent to the buildings or beginning not over 8 feet
from them to facilitate the raising of ladders when necessary for fire fighting.
Answer - 6
Conductors on poles shall be separated by at least ___ where not placed on
racks or brackets. Answer - 12 inches
An overhead feeder is to be installed to a residential garage. The conductors
are insulated and have a voltage of 120 volts to ground. This circuit does not
, pass over a sidewalk or driveway. What is the minimum height above the
ground that must be maintained? Answer - 10ft
From a panelboard inside a business, a 120/240-volt, 10, 3-wire branch circuit
is installed underground to serve receptacles and lighting in a small, separate
building. When the conduit arrives at the separate building, it is permitted to
be stubbed up into a ___ . Answer - ?
Service disconnecting means shall not be located in ___ . Answer - bathrooms
In general, a building or structure shall be supplied by only __ service(s).
Answer - one
The point of attachment of the service-drop conductors to a building must not
be less than ___
feet above finish grade. Answer - 10
Service conductors shall have a clearance of not less than __ feet from
windows, doors, or similar locations that open. Answer - 3 feet
Refer to Figure 203.12. The fuses in the nail salon safety switch provide ___
protection for the ungrounded service conductors between the switch and the
utility transformer. Answer - overload
Refer to Figure 203.4. For a 120/240-volt, 10, 3-wire service, the minimum
clearance at 3 is ___ .The overhead conductors are triplex cable and this area is
accessible to automobiles but not trucks. Answer - ?
Refer to Figure 203.4. For a 277/480-volt, 3D, 4-wire service, the minimum
clearance above the roof at 1 is ___ Answer - ?
UPDATE | 100% CORRECT
Overhead branch circuit and feeder conductors shall not be installed ___
openings through which materials may be moved, such as openings in farm
and commercial buildings, and shall not be installed where they will obstruct
entrance to these building openings. Answer - beneath
Live vegetation, such as trees, may support overhead conductor spans. Answer
- False
If festoon lighting exceeds ___ feet, the conductors shall be supported by
messenger wire. Answer - 40
Where buildings exceed 3 stories or 50 feet in height, overhead lines shall be
arranged, where practicable, so that a clear space (or zone) of at least ___ feet
wide will be left either adjacent to the buildings or beginning not over 8 feet
from them to facilitate the raising of ladders when necessary for fire fighting.
Answer - 6
Conductors on poles shall be separated by at least ___ where not placed on
racks or brackets. Answer - 12 inches
An overhead feeder is to be installed to a residential garage. The conductors
are insulated and have a voltage of 120 volts to ground. This circuit does not
, pass over a sidewalk or driveway. What is the minimum height above the
ground that must be maintained? Answer - 10ft
From a panelboard inside a business, a 120/240-volt, 10, 3-wire branch circuit
is installed underground to serve receptacles and lighting in a small, separate
building. When the conduit arrives at the separate building, it is permitted to
be stubbed up into a ___ . Answer - ?
Service disconnecting means shall not be located in ___ . Answer - bathrooms
In general, a building or structure shall be supplied by only __ service(s).
Answer - one
The point of attachment of the service-drop conductors to a building must not
be less than ___
feet above finish grade. Answer - 10
Service conductors shall have a clearance of not less than __ feet from
windows, doors, or similar locations that open. Answer - 3 feet
Refer to Figure 203.12. The fuses in the nail salon safety switch provide ___
protection for the ungrounded service conductors between the switch and the
utility transformer. Answer - overload
Refer to Figure 203.4. For a 120/240-volt, 10, 3-wire service, the minimum
clearance at 3 is ___ .The overhead conductors are triplex cable and this area is
accessible to automobiles but not trucks. Answer - ?
Refer to Figure 203.4. For a 277/480-volt, 3D, 4-wire service, the minimum
clearance above the roof at 1 is ___ Answer - ?
