Copper conductors used for lighting circuits in traveling cables for elevators shall be permitted to be run in parallel in sizes ________ or larger.

An office building is supplied by 500 kcmil copper ungrounded service entrance conductors. What minimum size copper grounding electrode conductor is required for the connection to the building steel?

Outdoor antenna conductors shall not be smaller than ________ copper where the maximum open span length is 45 ft.

What is the maximum number of 6 AWG, THWN conductors allowed in a run of 1 ¼ in. schedule 40 PVC conduit if the raceway is 24 in. or less in length?

The minimum width of working space required in front of electrical equipment shall be _________________.

Fixture wires shall not be smaller than ___________.

The required emergency disconnecting means for dispensers at an unattended self-service motor fuel dispensing facility shall be located more than ____________ from the dispensers.

On a 4-wire, delta-connected system where the midpoint of one phase winding is grounded, the conductor with the higher phase voltage to ground shall be marked by an outer finish that is __________ in color or by other effective means.

What minimum size THW copper conductors are required to supply a 3-phase, 20 hp, 208 volt motor?

Thread-forming machine screws used for connecting grounding electrode conductors to equipment must engage not less than ___________ threads.

When electrical equipment rated over 600 volts is required to be installed in a vault, the walls and roof shall have a minimum fire rating of _____________.

The handle of a spray gun for electrostatic hand-spraying equipment shall be in direct electric contact with the operator in normal operating position with a resistance of not more than _________ to prevent buildup of a static charge on the operator’s body.

Each flat cable assembly dead end shall be terminated in a(n) _______________ identified for the use.

A 1 ¼ in. flexible metal conduit that is 17 in. in length contains 7 – 10 AWG, THWN conductors. How many 4 AWG, XHHW conductors can be added?

Plug fuses of the Edison-base type shall be classified at not over 125 volts and ___________ and below.

What is the full-load current of a 3-phase, 460 volt, 150 hp motor?

Noncombustible surfaces that are broken or incomplete around boxes employing a flush-type cover or faceplate shall be repaired so there will be no gaps or open spaces greater than _________ at the edge of the box.

Receptacle outlets located more than ________ above the countertop in a dwelling unit kitchen cannot be counted as part of the outlets required to serve the countertop.

Mobile home park electrical wiring systems shall be calculated at ______________ for each mobile home lot or the calculated load for the largest mobile home that each lot will accept.

Where a feeder is supplied by a dc system operating at more than 50 volts, each ungrounded conductor of ___________ or larger shall be identified by polarity at all termination, connection, and splice points by marking tape, tagging, or other approved means.

A motor with a code letter C would indicate motor input of ___________ per horsepower under locked rotor conditions.

Which one of the following wiring methods is allowed for use in a duct used to transport dust?

What is the current draw of a 3-phase, 480 volt circuit with a connected load of 35.45 kW and a power factor of .95?

When employees are working over or near water, ring buoys with a t least ____________ of line shall be provided and readily available for emergency rescue operations.

Lumber piles that will be handled manually shall not be stacked more than ______________ high.