Journeymans Sample Test Flashcards
Thermal insulation shall not be installed within __________ inch(es) of recessed fixtures.
A. ½
B. ¾
C. 2
D. 3
D. 3
A 1-inch conduit contains three 3-wire circuits. All conductors are # 10 TW. Each circuit consists of two phase conductors, one grounded conductor, and one equipment grounding conductor. The maximum ampacity of each phase conductor is ___________ amperes.
A. 24
B. 28
C. 30
D. 35
A. 24
The volt/ampere rating of a device that consumes 14.5 amperes on a 230 volt circuit is ______ watts.
A. 3335
B. 244.5
C. 15.85
D. 14.5
A. 3335
A 208V, 3 phase heater draws 3,598 watts. How many amperes does it draw?
A. 10
B. 12
C. 14
D. 16
A. 10
The underwater light fixture shall be installed at least ______ inches below the water level.
A. 6
B. 12
C. 18
D. 24
C. 18
A general purpose receptacle shall not be installed on the _______.
A. pole six feet from the pool
B. fence directly south of the pool
C. west side of the dwelling unit
D. south side of the dwelling unit
B. fence directly south of pool
A junction box for the 120 volt wet-niche fixture shall be at least _________ inches above the ground.
A. 0
B. 2
C. 4
D. 8
C. 4
A GFCI protected __________ receptacle for the pump motor may be installed on the south side of the dwelling unit.
A. duplex
B. dedicated
C. locking type
D. isolated ground
C. locking type
A metal fence installed within ________ feet of the pool shall be bonded.
A. 2
B. 5
C. 10
D. 12
B. 5
The feed to the wet-niche fixture shall be installed in _______.
A. a rigid galvanized conduit
B. a rigid brass conduit
C. electrical metallic tubing
D. liquidtight flexible metallic conduit
B. a rigid brass conduit
A 15 or 20 amp receptacle shall be located within _______ feet of a roof top air conditioner.
A. 25
B. 35
C. 75
D. 100
A. 25
The maximum overcurrent protection for eight current carrying # 12 THHN conductors in a ½” conduit is _______ amps.
A. 10
B. 15
C. 20
D. 25
C. 20
An AC system of 50 to 1,000 volts shall be grounded if maximum voltage to ground does not exceed ________ volts.
A. 50
B. 100
C. 150
D. 250
C. 150
There is a 10 horsepower, 230 volt, 3 phase motor, code letter G. The maximum standard rating inverse time circuit breaker permitted to serve as branch circuit, short circuit, and ground fault protection when the motor starts the load without difficulty is ______ amps.
A. 40
B. 60
C. 70
D. 80
C. 70
Type ‘S’ adapters are installed in Edison base fuse holders ______________.
A. for the convenience of the owner
B. to limit the size of the fuse to be installed
C. to increase the speed of removing the fuse once it has blown
D. to prevent shocks when installing pennies or other fuse substitutes
B. To limit the size fuse to be installed
A laundry branch circuit shall be rated at _______ amps.
A. 15
B. 20
C. 25
D. 30
B. 20
In a commercial building, the minimum size underground service entrance conductor for a 120/240 volt, 1 phase, 200 amp service is ___________.
A. 4/0 TW aluminum
B. 3/0 THWN copper
C. 2/0 XHHW aluminum
D. 2/0 XHHW copper
B. 3/0 THWN copper
The minimum service for a one-family dwelling shall be _______ amps.
A. 60
B. 100
C. 125
D. 150
B. 100
Type ______ cable is not permitted for service entrance.
A. MI
B. MC
C. SE
D. UF
D. UF
A kiln rated 4750 watts, 208 volts, 3 phase draws _________ amperes.
A. 8.26
B. 13.2
C. 22.95
D. 39.7
B. 13.2
Direct burial cables emerging from the ground and subject to physical damage shall be installed in _________.
A. rigid metal conduit
B. electrical metallic tubing
C. surface metal raceway
D. flexible liquidtight metal conduit
A. rigid metal conduit
A high impedance grounded system is limited to systems operating at _______ volts or above.
A. 120
B. 240
C. 277
D. 480
D. 480
An expansion joint is required for nonmetallic conduit. When the temperature changes from -15° to 105° Fahrenheit, the thermal expansion for 100 feet of rigid nonmetallic conduit is ______ inches.
A. 3.65
B. 4.26
C. 4.87
D. 5.27
C. 4.87
The voltage rating of communications cables shall not be less than _____ volts.
A. 50
B. 150
C. 300
D. 600
C. 300