Overhead outside feeder conductors operating at not over 600 volts shall have a clearance of not less than ________ over public streets.

What is the maximum setting for an inverse time circuit breaker used to provide feeder short-circuit and ground-fault protection for the following motors on a 3-phase, 460 volt circuit?
1 – 30 hp motor with a branch-circuit, short-circuit, ground-fault protective device rated at 100 amperes
1 – 20 hp motor with a branch-circuit, short-circuit, ground-fault protective device rated at 90 amperes
1 – 10 hp motor with a branch-circuit, short-circuit, ground-fault protective device rated at 25 amperes

What is the total resistance of a circuit containing 2 – 20 ohm resistors wired in series?

When nonmetallic sheathed cable is used in other than dwelling units, the cables shall be concealed within walls, floors, or ceilings that provide a thermal barrier of material that has at least a _____________ finish rating.

At least one receptacle outlet shall be installed within ______________ of the top of a show window for each 12 linear feet or major fraction thereof of show window area.

The output power supply for a low-voltage lighting system shall be rated at ____________ maximum under all load conditions.

Conductors used for electromagnetic valve supply for pipe organs shall not be less than _________.

In multiwire branch circuits, the continuity of a ____________ shall not depend on device connections such as lampholders, receptacles, and so forth, where the removal of such devices would interrupt the continuity.

The disconnecting means for fixed electric space-heating equipment shall have an ampere rating not less than __________ of the total load of the motors and the heaters.

Where rigid metal conduit is made up with threaded couplings and such supports prevent transmission of stresses to termination where the conduit is deflected between supports, the maximum distance between supports for trade size 1 ½ is ____________.

Receptacles installed above the deck surface of a pier and used for shore power connection to boats at a marina shall be mounted not less than ____________ above the deck surface.

When nonmetallic sheathed cables are routed through bored holes in wood framing members and the required distance to the nearest edge of the wood member cannot be maintained, the cable shall be protected from penetration by a steel plate not less than ___________ thick.

Aluminum cable trays shall not be used as equipment grounding conductors ____________.

Electric motors used for electrically operated pool covers shall be located not less than __________ from the inside walls of a permanently installed swimming pool unless separated by a wall or other permanent barrier.

Flexible metal conduit, in lengths not to exceed ___________, is permitted to be used in ducts used to transport environmental air when used to connect physically adjustable equipment and devices permitted to be in the ducts.

Who has the authority to alter the manufacturer’s instructions included with a listed piece of electrical equipment?

How many 14 AWG conductors are allowed in a 4 in. x 2 ⅛ in. metal square box if the box contains a receptacle outlet?

Which of the following is required to be connected to the critical branch of the emergency system in a health care facility?

A recessed luminaire that is not identified for contact with insulation shall have all recessed parts spaced not less than __________ from combustible materials.

For new construction, a minimum of ________ communications outlet(s) shall be installed within every dwelling unit.

When installing vented alkaline-type batteries, cells in containers of conductive material shall be installed in trays of nonconductive material with not more than _______ cells in the series circuit in any one tray.

Vegetation such as trees shall not be used for support of ______________.
I. outdoor luminaires
II. overhead service conductors

Terminals used for ______________ shall be identified for the purpose.
I. more than one conductor
II. aluminum conductors

The equipotential bonding grid required around a swimming pool shall be made up of metallic parts associated with the pool bonded together using solid copper conductors not smaller than _______.

Type TC cables with metallic shielding shall have a minimum bending radius of not less than _______ times the cable overall diameter.