225

The point of attachment of overhead premises wiring to a building shall in no case be less than ___ above finished grade.

10 ft

Open individual conductors shall not be less than ___ AWG copper for spans up to 50' in length and ___ AWG copper for a longer span, unless supported by a messenger wire.

10awg / 8awg

Overhead Feeder conductors shall have a minimum ____ vertical clearance over residential property and driveways, as well as those commercial areas not subject to truck traffic, where the voltage is limited to 300 volts to ground.

12 ft.

The minimum clearance for overhead feeder conductors not exceeding 600V that pass over commercial areas subject to truck traffic is __

18 ft.

If a set of 120/240V overhead feeder conductors terminates at a through-the-roof raceway or approved support, with less than 6ft of these conductors passing over the roof overhand, the minimum clearance above the roof for these conductors is

18 in.

Overhead feeder conductors to a building shall have a vertical clearance of final spans above, or within ___ measured horizontally from the platforms, projections, or surfaces from where they might be reached.

3 ft.

Overhead feeder conductors installed over roofs shall have vertical clearance of ___ above the roof surface, unless permitted by an exception.

8 ft.

Vegetation such as trees shall not be used for support of ____

Conductor spans

In a multiple occupancy building, each occupant shall have access to his or her own ___

Disconnecting means

The two to six disconnects for a disconnecting means for a building supplied by a feeder shall be ___

Grouped

A building or structure shall be supplied by a maximum of ____ feeders(s) or branch circuit(s) , unless specifically permitted otherwise

One

The disconnecting means for a building supplied by a feeder shall plainly indicate whether it is in the ____ position

Open or Closed

When the disconnecting means for a building supplied by a feeder a power operated switch or circuit breaker, it shall be able to opened by hand in the event of a ____

Power failure

The disconnecting means for a building supplied by a feeder shall be installed at a(n) _____ location

Readily accessible

There shall be no more than ___ switches or circuit breakers to serve as disconnecting means for a building supplied by a feeder

Six

The requirement for maintaining a 3 ft vertical clearance from the edge of the roof shall not apply to the final feeder conductor span where the conductors are attached to ____

The side of a building

Where a mast is used for overhead conductor support, it shall be of adequate strength or be supported by braces or guys to withstand safely the strain imposed by the overhead drop.

True

outside wiring shall not be installed beneath openings through which materials may be moved and shall not be installed where they will obstruct entrance to these building openings.

True

Raceways on exterior surfaces on buildings or other structures shall be arranged to drain, and in ___ locations shall be raintight.

Wet

Where documented safe switching procedures are established and maintained and monitored by ___ individuals, the disconnecting means for a building supplied by a feeder can be located elsewhere

qualified