Question 1

Conductors in pipe organs shall have ____ insulation.

Accepted Answer

A)   standard polymer
B)   thermoplastic or thermosetting
C)   thermoelastic or thermo-molded
D)   hybrid plastic/polymer B

Question 2

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

Accepted Answer

A)   rigid sealed
B)   flexible hybrid
C)   liquidtight flexible
D)   liquidtight rigid C

Question 3

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

Accepted Answer

A)   500
B)   600
C)   800
D)   1000 D

Question 4

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

Accepted Answer

A)   24
B)   26
C)   28
D)   30

Question 5

All ____ receptacle outlets used in technical applications shall be GFCI protected.

Accepted Answer

A)   15- and 20-ampere
B)   15- and 25-ampere
C)   15- and 30-ampere
D)   20- and 30-ampere

Question 6

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.

Accepted Answer

A)   100
B)   112
C)   120
D)   180

Question 7

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) ____.

Accepted Answer

A)   panel board
B)   mixer
C)   audio swapper
D)   signal transformer

Question 8

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

Accepted Answer

A)   100
B)   120
C)   125
D)   140

Question 9

Individual office furnishings of the freestanding type, or groups of individual office furnishings that are electrically connected, are mechanically contiguous, and do not exceed 30 ft when assembled, shall be permitted to connect to the building's electrical system by means of a ____.

Accepted Answer

A)   single flexible cord and plug
B)   rigid raceway
C)   surge protector and concealed wiring
D)   dual flexible cable and panel board

Question 10

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

Accepted Answer

A)   stainless steel
B)   aluminum
C)   tin
D)   copper

Question 11

Where a permanently installed pool is installed, no fewer than one 125-volt 15- or 20-ampere receptacle on a general-purpose branch circuit shall be located a minimum of ____ ft, but no more than 20 ft, from the pool's inside wall.

Accepted Answer

A)   5
B)   6
C)   8
D)   12

Question 12

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

Accepted Answer

A)   4
B)   6
C)   12
D)   18

Question 13

Unencapsulated structural reinforcing steel in pools shall be ____.

Accepted Answer

A)   bonded together by steel tie wires or the equivalent
B)   grounded via rigid wire cables to an earth ground
C)   bonded using equipotential bonding
D)   encased in corrosion-resistant materials

Question 14

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).

Accepted Answer

A)   surge protection
B)   lightening protection
C)   a front-mounted disconnect
D)   drain holes

Question 15

Neon tubing's length and design shall not cause a continuous overcurrent beyond the capacity of the transformer or ____.

Accepted Answer

A)   surge protection
B)   disconnecting means
C)   electronic power supply
D)   branch circuit

Question 16

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

Accepted Answer

A)   10
B)   20
C)   25
D)   30

Question 17

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

Accepted Answer

A)   5
B)   6
C)   8
D)   9

Question 18

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

Accepted Answer

A)   12
B)   14
C)   18
D)   24

Question 19

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

Accepted Answer

A)   prevent current surges
B)   simultaneously disconnect all ungrounded conductors
C)   protect from lightening discharges
D)   permit service access

Question 20

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

Accepted Answer

A)   input voltage
B)   output wattage
C)   potential lumens
D)   average load

Exam 19: Specific Equipment