Which of the following would be an example of a material that may cause an area to be classified as a Class III location?

When referring to adjustable-trip circuit breakers, restricted access can be defined as ______________.

Overcurrent devices shall be readily accessible and installed so that the center of the grip of the operating handle of the switch or circuit breaker is not more than ____________ above the floor or working platform.

Cord-and-plug connected vending machines rated 250 volts or less and 60 amperes or less shall be provided with ground-fault circuit-interrupter protection. The protection can be provided by the branch circuit overcurrent device, a device or outlet within the supply cord and not more than __________ from the attachment plug.

Adjustment factors for more than 3 current-carrying conductors installed in a raceway only apply when the raceway exceeds __________ in length.

Color coding shall be permitted to identify intrinsically safe conductors where they are colored ____________ and no other conductors are identified in the same manner.

What is the maximum number of 250 kcmil, XHHW conductors allowed in a 3 in. flexible metal conduit that is over 24 in. long?

Cable tray systems shall be permitted to support single conductors used as service entrance conductors in sizes __________ and larger that are listed for use in cable tray.

What is the minimum calculated branch circuit load for the lighting of a 6,700 ft.² church?

A metal raceway that is intended to be mounted to the surface of or suspended from a structure, with associated accessories for the installation of electrical conductors and cables is called a ____________.

Where independent support wires are used to support cables and raceways above suspended ceilings, the support wires _________________.

A location in which flammable gases or vapors are or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures is classified as a ____________ location.

Outside feeder conductors on poles shall have a separation of not less than _____________ where not placed on racks or brackets.

Type SJ flexible cable is listed for ___________.

A disconnecting means of adequate capacity for at least _________ of the input required for the momentary rating or 100% of the input required for the long-time rating of X-ray equipment, whichever is greater, shall be provided in the supply circuit.

Cables and conductors for which of the following systems are allowed to be attached to a service mast?

Which of the following statements is/are true regarding grounded conductors?
I. Each grounded conductor shall terminate within a panelboard in an individual terminal.
II. Grounded conductors of circuits with parallel conductors shall be permitted to terminate in a single terminal within a panelboard if the terminal is identified for the application.

What is the minimum calculated feeder neutral load for a 4,350 watt electric clothes dryer installed in a dwelling unit?

What is the allowable ampacity of a 10 AWG, THHN, copper conductor?

Evaluate the following statement: All conductors of a multiwire branch circuit shall originate from the same panelboard.

Openings around penetrations of optical fiber cables through fire-resistant-rated walls shall be __________ using approved methods to maintain the fire resistance rating.

How many 10 AWG conductors are allowed in a 4 in. x 1 ½ in. metal square box?

When a generator set driven by a prime mover is used as back-up power supply for an emergency system, a time-delay feature permitting a ____________ setting shall be provided to avoid retransfer in case of short-time reestablishment of the normal source.

What is required before a conduit body is allowed to contain a splice?

Type GTO cable shall have a minimum temperature rating of ____________.