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
The direction of rotation of the rotor for three-phase motors can be reversed by interchanging any _______ leads.
A. 2
B. 3
C. 4
D. 6
A. 2
Identify the correct low voltage circuit classification based on the drawing.
A. Class 1 power limited
B. Class 2 power limited
C. Class 3 power limited
D. Class 4 non-power limited.
A. Class 1 power limited
A(n) _______ receptacle may be included on the small appliance circuit.
A. water pump
B. electric clock
C. smoke detector
D. garage door opener
B. electric clock
A light fixture that weighs more than _______ pounds shall be supported independently of the fixture box.
A. 15
B. 25
C. 30
D. 50
D. 50
Disconnecting means shall be provided on the supply side of all cartridge fuses of any voltage where __________.
A. it is connected in series
B. accessible to other than qualified persons
C. there is a possibility of area being a wet location
D. the fuse is of an older type and manufacturer cannot be determined
B. accessible to other than qualified persons
Furnaces shall be supplied by a(n) ________ branch circuit.
A. Class 1
B. individual
C. general use
D. small appliance
B. individual
A screw connecting the neutral bar of a grounded system to the service equipment enclosure is called the ________.
A. main bonding jumper
B. system neutral connector
C. equipment bonding jumper
D. equipment grounding connector
A. main bonding jumper
The minimum size rigid metal conduit for a commercial service rated for 150 amps 120/240 volts, 3 wire single phase, using THWN wire, is _____ inch(es).
A. 1
B. 1 ¼
C. 1 ½
D. 2
B. 1 ¼
Round boxes shall not be used where conduits or connectors fasten to the _________ of the box.
A. hub
B. side
C. back
D. fittings
C. back
In a house, a garbage disposal may be installed with a cord and attachment plug if the cord is _______.
A. grounded
B. over 36 inches long
C. under 120 volts rated
D. nonmetallic sheath cable
A. grounded
Direct burial cables rated above _______ volts shall be shielded.
A. 600
B. 1000
C. 2000
D. 3000
C. 2000
When two ground rods are installed, they shall be separated by a minimum of ________ feet.
A. 6
B. 8
C. 10
D. 12
A. 6
The minimum vertical clearance for service drop conductors above a pedestrian sidewalk is _______ feet.
A. 8
B. 10
C. 12
D. 15
B. 10
There are six conductors in a raceway connected to 75° C rated breakers. Each wire has a 70 amp load using THHN conductors. The minimum size conductors used are # ________ AWG
A. 4
B. 6
C. 8
D. 10
A. 4
The inspection authority shall be notified not less than ______ hours before an inspection is needed.
A. 8
B. 16
C. 24
D. 32
C. 24
Fixed lighting units may be on a 30 amp branch circuit if they are ______ duty lamp holders.
A. light
B. medium
C. heavy
D. extra heavy
C. heavy
Boxes used in the floor shall be _____.
A. brass
B. metal
C. plastic
D. listed for the installation
D. listed for the installation
A receptacle for laundry equipment shall be located within _____ feet of the intended location.
A. 3
B. 4
C. 6
D. 8
C. 6
Type ______ insulated conductors may be used in direct burial applications.
A. THW
B. THWN
C. THHN
D. USE
D. USE
Edison-base-type fuses shall not exceed _______ amperes.
A. 15
B. 20
C. 30
D. 60
B. 20
The maximum distance between supports for a 1” rigid nonmetallic conduit is _________ feet.
A. 2
B. 3
C. 4
D. 5
B. 3
- “B” is the ______ button.
A. start
B. stop
C. reverse
D. two speed
A. Start
“C” is the ______.
A. disconnect
B. flow switch
C. pressure switch
D. overload
D. overload
When “D” is depressed, _______.
A. “M” will not energize
B. “M” is energized only while “D” is depressed
C. “M” is energized only when “B” is depressed first
D. “CR” is energized and will stay energized
B. “M” in energized only “D” is depressed
When “B” is depressed, _________.
A. contact “E” will open
B. “CR” will not energize
C. “M” is energized
D. contact “CR” will stay open
C. “M” is energized
The smallest size conductor permitted for a ground ring is # _________ AWG copper.
A. 4
B. 2
C. 1/0
D. 2/0
B. 2
A single non-motor operated appliance of 13.4 amps shall have overcurrent protection not to exceed ______ percent of appliance rating.
A. 100
B. 125
C. 150
D. 200
C. 150
Metal light poles must have an accessible hand hole not less than _________.
A. 2” x 4”
B. 4” x 6”
C. 6” x 8”
D. 8” x 10”
A. 2” x 4”
An AC general use snap switch used to control a motor load shall not exceed _______ % of the ampere rating of the switch at its rated voltage.
A. 50
B. 70
C. 80
D. 100
C. 80
MI cable shall be secured within _______ inches of a panel.
A. 30
B. 36
C. 48
D. 72
D. 72
Auxiliary gutters shall not contain more than ________ current carrying conductors, without derating.
A. 30
B. 50
C. 70
D. 90
A. 30
The minimum dimensions for a concrete-encased steel reinforcing bar electrode is _______ feet in length and _______ in diameter.
A. 8 feet, ⅝ inches
B. 10 feet, ½ inches
C. 20 feet, ½ inches
D. 20 feet, 2 inches
C. 20 feet, ½ inches
An electrical device which consists of a frame, plunger and coil, and is used to create a push or pull action is called a _________.
A. bender
B. solenoid
C. level switch
D. motor starter
B. soleniod
The ampacity of a # 6 copper THHW conductor terminated in a switchboard rated at 75° C is ________ amps.
A. 55
B. 65
C. 70
D. 75
B. 65
Conductor fill of a conduit nipple 24” or less in length shall not exceed _______ percent of its total cross-sectional area.
A. 40
B. 55
C. 60
D. 65
C. 60
In a nonmetallic box not larger than 2 ¼ inches by 4 inches, cable clamps are not needed if the NM cable is stapled within \_\_\_\_ inches of the box A. 6 B. 8 C. 10 D. 12
B. 8
Branch circuits larger than _____ amps shall supply only non-lighting loads.
A. 20
B. 30
C. 40
D. 50
D. 50
The maximum number of # 6 AWG-type THW conductors allowed in 1” PVC schedule 40 conduit is _______.
A. 3
B. 4
C. 6
D. 15
B. 4
The code requires _______ cubic inches free space for each # 10 wire in an outlet box.
A. 2
B. 2.25
C. 2.5
D. 3
C. 2.5
The minimum size conductor that may be installed in parallel is _______ AWG.
A. #1
B. #2
C. #1/0
D. #2/0
C. #1/0
The maximum number of switches permitted to disconnect a service is ________.
A. 1
B. 4
C. 6
D. 10
C. 6
The ampacity of NM cables is based on the ________ C degree column of the table 310.16.
A. 60
B. 75
C. 85
D. 90
A. 60
Short sections of ferrous metal raceway used for physical protection of the grounding electrode conductor shall be bonded at both ends to the _______.
A. ground bar
B. bonding screw
C. grounding electrode conductor
D. main bonding jumper
C. grounding electrode conductor
A feeder in a single family dwelling supplies a load made up of 75 amps of electric space heating and 25 amps of air conditioning (cooling). The required capacity of the feeder is _______amperes.
A. 25
B. 50
C. 75
D. 100
C. 75
Where fuses are used for motor overload protection, a fuse shall be inserted in each ungrounded conductor and also in the grounded conductor if the supply system is ____________ AC with one conductor grounded.
A. four wire, multi phase
B. four wire, three phase
C. three wire, three phase
D. three wire, single phase
C. three wire, three phase
Work installed by an electrical contractor can be concealed after ________.
A. applying for the permit
B. requesting an inspection
C. obtaining inspection approval
D. a permit has been secured
C. obtaining inspection approval
The ________ exterior door of a dwelling unit is not required to be illuminated.
A. back
B. front
C. garage vehicle
D. garage personnel
C. garage vehicle
Where raceways are installed in wet locations above grade, the interior of these raceways shall be considered a _______ location.
A. wet
B. dry
C. damp
D. corrosive
A. wet
The minimum number of small appliance branch circuits required in a dwelling unit is ______.
A. 2
B. 3
C. 4
D. 5
A. 2
Where a conduit is used for physical protection for a cable, _______ is required.
A. a conduit body
B. a fitting on the end of the conduit
C. a box to change from conduit to cable
D. a staple to protect the cable from abrasion
B. a fitting on the end of the conduit
The size of the main bonding jumper for one 800 kcmil aluminum conductor, per phase, with an aluminum main bonding jumper is ________.
A. 3/0
B. 4/0
C. 250 kcmil
D. 500 kcmil
A. 3/0
What is the minimum size wire for a feeder to a mobile home rated at 100 amps?
A. #1 AWG
B. #2 AWG
C. #3 AWG
D. #4 AWG
D. #4 AWG
A box contains two 12/3 NM cables with ground, one device, and one internal cable clamp. What is the required cubic inch capacity?
A. 18
B. 20
C. 22.5
D. 25
C. 22.5
A set of four 4-inch PVC conduits in installed, with four 500 kcmil THWN copper conductors in each conduit. When used as service entrance the conductors shall have a maximum overcurrent device rating of ______ amps.
A. 800
B. 1000
C. 1200
D. 1600
C. 1200
Grounding electrode conductors, size ______ AWG, must always be protected from physical damage by an enclosure.
A. 4
B. 6
C. 8
D. 10
C. 8
“A” is the _______ button.
B. Stop
