Exam 19: Specific Equipment

Unit heaters shall not be mounted over the pool or within the area extending ____ horizontally from the inside walls of a pool.

DC power shall be supplied by a listed dc power supply with a maximum output of ____ volts.

Circuit voltage of heating/air-conditioning equipment branch circuits located on the elevator car shall not exceed ____ volts.

Neon tubing secondary conductor(s) shall be supported within ____ in.(150 mm) of the electrode connection.

An electric vehicle supply equipment's coupling means shall be stored or located at a height of not less than ____ above the floor level for indoor locations and 24 in.(600 mm) above the grade level for outdoor locations.

A pipe organ should use a minimum of ____ AWG conductors for electronic signal circuits, and at least 26 AWG for electromagnetic valve supply.

Equipment used to combine and level-match a multiplicity of electronic signals, as from microphones, electronic instruments, and recorded audio, is referred to as a(n) ____.

Equipotential bonding required by 680.26 shall be installed to reduce ____ in the pool area.

A junction box for an underwater application shall be comprised of ____, brass, suitable plastic, or other approved corrosion-resistant material.

The minimum conductor size for traveling cables that feed lighting circuits is ____ AWG copper.

A luminaire intended for installation in a pool or fountain structure's forming shell, where completely surrounded by water, is referred to as ____.

Unencapsulated structural reinforcing steel in pools shall be ____.

FMC, LFMC, or LFNC of _____ nominal trade size or larger and no longer than 6 ft (1.8 m) can be installed between control panels and machine motors, machine brakes, motor-generator sets, disconnecting means, and pumping unit motors and valves.

Flexible metal conduit, ____ metal conduit, liquidtight flexible nonmetallic conduit, and flexible cords and cables are permitted wiring methods on the counterweight assembly and on the car assembly in elevators.

Article 647 covers the installation and wiring of sensitive electronic equipment that is connected to a separately derived system operating at ____ volts line-to-line and 60 volts to ground.

Each hoistway elevator pit shall have at least one ____-volt, single phase, 15- or 20-ampere duplex receptacle

Electric signs and outline lighting system equipment in wet locations, unless of the listed watertight type, shall be weatherproof and, if necessary, have ____ in accordance with 600.9(D)(1) through (3).

Conductors in pipe organs shall have ____ insulation.

Electric signs and outline lighting systems shall be marked with the manufacturer's name, trademark or other identification, ____, and current rating.

Branch circuits and feeders in a separately derived 60-volts to ground system shall be provided with a means to ____.