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RME Review > Test 2 > Flashcards

Test 2 Flashcards

1
Q

A standard rating for an overcurrent device is which of the following:

a. 50 amperes
b. 110 amperes
c. 275 amperes
d. 1500 amperes

A

b. 110 amperes

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2
Q

A main bonding jumper is which of the following:

a. The connection between the grounding conductor and an equipment grounding conductor at a separately derived system
b. The connection between a grounding conductor and equipment operating at 600 volts nominal or less
c. The connection between the grounded circuit conductor and the equipment grounding conductor at the service
d. The connection between the main electrical service and a grounding conductor

A

c. The connection between the grounded circuit conductor and the equipment grounding conductor at the service

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3
Q

The electrical continuity at service equipment and service conductors must be ensured by using which of the following installation techniques:

a. Threaded couplings or threaded bosses on enclosures are made wrenchtight
b. Bushings with bonding jumpers are used
c. Either of the above
d. Both of the above

A

c. Either of the above

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4
Q

Lightning protection system ground terminals must be bonded to which of the following:

a. The building or structure
b. The building or structure grounding electrode systems
c. To a common grounding electrode conductor
d. A surge arrestor

A

b. The building or structure grounding electrode systems

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5
Q

Enclosures around electrical equipment enclosures shall be considered accessible if they are controlled by which of the following:

a. Locks with keys
b. Combination locks
c. Keypad locks to which a qualified person has the code in order to unlock the enclosure.
d. Any of the above

A

d. Any of the above

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6
Q

A system bonding jumper is which of the following:

a. The connection between the grounded circuit conductor and the equipment grounding conductor at a separately derived system
b. A wiring system that connects two or more separately derived systems
c. The connection between the grounded circuit conductor and the equipment grounding conductor at the service
d. A wiring system that connects a grounded circuit conductor to equipment

A

a. The connection between the grounded circuit conductor and the equipment grounding conductor at a separately derived system

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7
Q

Type AC cables are allowed for which of the following uses:

a. In exposed work
b. In concealed work
c. Both A & B
d. None of the above

A

c. Both A & B

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8
Q

Size2.0 sq mm copper conductor, type THHN cable is permitted in which of the following applications:

a. Wet locations
b. Dry locations
c. Both of the above
d. None of the above

A

b. Dry locations

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9
Q

For a two-family dwelling unit located at grade level, how many outlets are required, assuming installation is no more than 2,000 mm above grade level:

a. One outlet at each exterior door
b. One outlet at the front of the dwelling unit
c. A total of two outlets
d. One outlet at the front and one at the back of the unit

A

d. One outlet at the front and one at the back of the unit

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10
Q

A branch circuit that consists of at least two ungrounded conductors with a potential difference between them and an identified grounded conductor which has equal potential between it and each of the ungrounded conductors is considered which of the following:

a. A split branch circuit
b. A multi-wire branch circuit
c. A grounded branch circuit
d. None of the above

A

b. A multi-wire branch circuit

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11
Q

A single open conductor which does not serve as a service entrance cable must be installed at which of the following depths:

a. Not less than 3,100 mm from grade level
b. A minimum of 2,000 mm from grade level
c. Not more than 3,100 mm from grade level
d. Not less than 2,000 mm from grade level unless encased in concrete

A

a. Not less than 3,100 mm from grade level

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12
Q

If open conductors are exposed to physical damage, they must be installed in which of the following:

a. Rigid metal conduit
b. Rigid nonmetallic conduit
c. Intermediate metal conduit
d. Any of the above

A

b. Rigid nonmetallic conduit

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13
Q

Concealed knob-and-tube wiring is not permitted in which of the following applications:

a. Commercial garages
b. Motion picture studios
c. Hazardous classified locations
d. All of the above

A

a. Commercial garages

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14
Q

Rigid metal conduit shall be permitted in which of the following installations:

a. Any type of occupancy
b. Corrosive environments
c. Wet locations
d. All of the above

A

a. Any type of occupancy

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15
Q

An insulated conductor assembly with fittings and conductor terminations that is completely enclosed in a ventilated protective metal housing is called which of the following:

a. A raceway
b. A busbar
c. A cablebus
d. A busway

A

a. A raceway

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16
Q

A cablebus shall not be used for which of the following:

a. Branch circuits
b. Feeders
c. Service cables
d. None of the above

A

a. Branch circuits

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17
Q

Unless identified otherwise, a busway shall not be installed in which of the following locations:

a. Outside
b. In wet locations
c. In damp locations
d. All of the above

A

b. In wet locations

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18
Q

Branches from busways shall be permitted to use which of the following wiring methods:

a. Type MC and Type AC cable
b. Type RMC and Type FMC conduits
c. Rigid nonmetallic conduit and electrical nonmetallic tubing
d. All of the above

A

b. Type RMC and Type FMC conduits

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19
Q

Which of the following means shall be installed to remove condensed moisture for low points in a busway run:

a. Drainage plugs
b. Filter drains
c. Either of the above
d. Neither-busway runs are not permitted to have low points

A

a. Drainage plugs

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20
Q

If a neutral bus is required, it shall be sized to carry all neutral load current and shall meet which of the following stipulations:

a. Be of adequate size to carry harmonic currents
b. Have an adequate momentary rating consistent with any system requirements
c. Have a short-circuit rating consistent with system requirements
d. All of the above

A

b. Have an adequate momentary rating consistent with any system requirements

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21
Q

A sheet metal auxiliary gutter may be used for which of the following applications:

a. To supplement wiring spaces at switchboards
b. To enclose overcurrent devices
c. In outdoor installations only
d. None of the above

A

a. To supplement wiring spaces at switchboards

22
Q

Nonmetallic auxiliary gutters installed outdoors shall be marked indicating which of the following:

a. “Suitable for exposure to sunlight”
b. “Suitable for use in wet locations”
c. Conductor temperature ratings
d. All of the above

A

b. “Suitable for use in wet locations”

23
Q

Intermediate metal conduit shall be permitted in which of the following installations:

a. Any type of occupancy
b. Corrosive environments
c. Wet locations
d. All of the above

A

a. Any type of occupancy

24
Q

IMC shall be permitted for use as which of the following:

a. An equipment grounding conductor
b. An unsupported vertical riser from fixed equipment
c. Both of the above
d. None of the above

A

b. An unsupported vertical riser from fixed equipment

25
Q

Underground feeder cable shall be prohibited for which of the following installations:

a. In hoistways
b. In theaters
c. In commercial garages
d. All of the above

A

a. In hoistways

26
Q

Underground feeder cable shall be permitted for which of the following applications:

a. In hoistways
b. In theaters
c. In commercial garages
d. All of the above

A

b. In theaters

27
Q

A nonmetallic extension shall consist of which of the following installation requirements:

a. A continuous, unbroken length of assembly must be used
b. The assembly shall not contain splices
c. The extension assembly can not have exposed conductors between fittings
d. All of the above

A

a. A continuous, unbroken length of assembly must be used

28
Q

Unless otherwise prohibited, type NMC cable is permitted for which of the following applications:

a. In outside masonry block walls
b. In exposed work
c. In moist, damp or corrosive locations
d. All of the above

A

a. In outside masonry block walls

29
Q

Type NMS cable is permitted for which of the following applications:

a. Corrosive locations exposed to fumes or vapors
b. Embedded in masonry
c. Exposed work in normally dry locations
d. All of the above

A

b. Embedded in masonry

30
Q

Type MI cable shall not be used for which of the following applications:

a. Where embedded in plaster or concrete
b. As service cabling
c. Attached to cable trays
d. None of the above

A

a. Where embedded in plaster or concrete

31
Q

Type FCC cabling shall be approved for which of the following uses:

a. Appliance branch circuits
b. General purpose branch circuits that do not exceed 30 amperes
c. Individual branch circuits that do not exceed 20 amperes
d. All of the above

A

b. General purpose branch circuits that do not exceed 30 amperes

32
Q

Which of the following statements is true for FCC cable systems:

a. Unused cable runs and associated cable connectors may be left in place and energized.
b. New cable connectors must be used to make alterations at new connection points.
c. All of the above
d. None of the above

A

b. New cable connectors must be used to make alterations at new connection points.

33
Q

FC cable assemblies are permitted to be used in which of the following applications:

a. As branch circuits to supply tap devices for small appliances not to exceed 30 amps
b. In wet locations
c. In damp locations
d. All of the above

A

b. In wet locations

34
Q

Armored cable is permitted for use in which of the following installations:

a. Dry, damp, and wet locations
b. Embedded in plaster finish on brick in dry locations
c. Both of the above
d. None of the above

A

a. Dry, damp, and wet locations

35
Q

Nonmetallic boxes shall only be used for which of the following installations:

a. Concealed knob-and-tube wiring systems
b. Single-dwelling or two-family wiring systems
c. Both of the above
d. None of the above

A

b. Single-dwelling or two-family wiring systems

36
Q

Conductors run in parallel in each phase, polarity, neutral, or grounded circuit conductor must comply with which of the following:

a. Be terminated in the same manner and have the same insulation type
b. Have the same size circular mil area
c. Be of the same length and conductor material
d. All of the above

A

a. Be terminated in the same manner and have the same insulation type

37
Q

In a situation where more than one calculated ampacity could apply to a circuit length, which of the following values shall be used:

a. The lowest
b. 25% of the combined ampacity
c. An average of the combined ampacities
d. None of the above

A

b. 25% of the combined ampacity

38
Q

Raceways that are exposed to a variety of temperatures shall be which of the following:

a. Grounded
b. Weatherproof
c. Bonded
d. Sealed

A

a. Grounded

39
Q

An assembly of units and associated fittings that form a rigid structural system used to support cables and raceways is considered which of the following:

a. A wireway
b. A wiring assembly
c. A cable tray
d. A bus

A

b. A wiring assembly

40
Q

A pliable raceway has which of the following characteristics:

a. It requires a manual or automatic bender to ensure safe bends
b. It can be bent by hand without requiring any other assistance
c. It is flexible
d. None of the above

A

b. It can be bent by hand without requiring any other assistance

41
Q

If a nonmetallic surface raceway is used, the installation must meet which of the following conditions:

a. The building must be used for offices
b. The building cannot exceed four floors
c. Both of the above
d. None of the above

A

b. The building cannot exceed four floors

42
Q

If there are 7 current-carrying conductors in a raceway, then the individual ampacity of each conductor must be reduced by which of the following:

a. 70% because of the number of conductors
b. 30% because all conductors are current-carrying
c. 80% of the continuous load
d. 20% of the continuous load

A

b. 30% because all conductors are current-carrying

43
Q

The following wiring method is approved to be installed inside a duct used for vapor removal and ventilation of commercial type equipment:

a. EMT
b. Nonmetallic sheathed cable
c. Rigid steel conduit
d. None of the above

A

a. EMT

44
Q

When conductors of different systems are installed in a common raceway or cable the derating factors used shall be which of the following:

a. Applied only to the number of power and lighting conductors
b. Be increased by one over the total derating factor
c. Be at least 50% of the highest rated cable
d. None of the above

A

b. Be increased by one over the total derating factor

45
Q

Screws used to mount knobs shall be long enough to penetrate the wood in accordance with which of the following:

a. At a depth which is twice the height of the knob
b. At thickness at least twice the thickness of the screw
c. At a depth at least one-half the height of the knob
d. None of the above

A

a. At a depth which is twice the height of the knob

46
Q

When calculating the number of conductors in a box, a conductor running through the box shall be counted as which of the following:

a. Zero
b. One
c. Two
d. Three

A

b. One

47
Q

When installed in raceways, conductors which are #8 AWG or larger shall meet which of the following requirements:

a. Not be insulated
b. Be stranded
c. Both of the Above
d. Either of the above

A

b. Be stranded

48
Q

When a conductor is installed in conduit exposed to direct sunlight and in close proximity to a rooftop, under certain circumstances it can experience which of the following:

a. A temperature rise of 30 degrees F above the ambient temperature on which the conductor ampacity is based
b. 10 degrees C above the conductor temperature rating
c. A swelling in the conductor insulation
d. Cable stretch

A

a. A temperature rise of 30 degrees F above the ambient temperature on which the conductor ampacity is based

49
Q

For fixed electric space heating equipment consisting of resistance elements with a motor, the branch circuit conductor ampacity and the overcurrent rating of the protective device that supplies the equipment shall not be less than which of the following:

a. 100% of the total heating equipment load
b. 125% of the total motor load
c. 125% of the total load of the motor and the heaters
d. The combined ampacity of all of the equipment

A

c. 125% of the total load of the motor and the heaters

50
Q

The disconnection means for fixed appliances within a ten-unit apartment building must be in which of the following locations:

a. Inside each individual dwelling unit
b. In the main mechanical room of the building
c. In an accessible common location within the building
d. Within each individual unit or on the same floor in the building

A

d. Within each individual unit or on the same floor in the building

RME Review (6 decks)

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