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  • The National Electrical Code is _____.
    a. intended to be a design manual
    b. meant to be used as an instruction guide for untrained persons
    c. for the practical safeguarding of persons and property
    d. published by the Bureau of Standards
    Article 90.1(A) Purpose pg. 22

    for the practical safeguarding of persons and property

    Compliance with provisions of the Code will result in _____.
    a. good electrical service
    b. an efficient electrical system
    c. an electrical system free from hazard
    d. all of these
    Article 90-1(B) Purpose pg 22

    an electrical system free from hazard

    The purpose of this Code is the practical safeguarding of persons and property from hazards arising from the use of electricity. This Code contains provisions considered necessary for safety regardless of _____.
    a. efficient use
    b. convenience
    c. good service or future expansion
    d. all of these
    Article 90-1(B)Purpose pg. 22

    all of these

    The Code applies to the installation of _____.
    a. electrical conductors and equipment within or on public and private buildings
    b. outside conductors and equipment on the premises
    c. optical fiber cable
    d. all these
    Article 90.2(A) Covered pg. 22

    all these

    The Code does not cover installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles.
    a. True
    b. False
    Article 90.2(B)(1) Not Covered pg 22


    Installations of communications equipment under the exclusive control of communications utilities located outdoors or in building spaces used exclusively for such installations _____ covered by the Code.
    a. are
    b. are sometimes
    c. are not
    d. might be
    Article 90.2(B)(4) Not Covered pg. 22

    are not

    Chapters 1 through 4 of the NEC apply _____.
    a. generally to all electrical installations
    b. to special installations and conditions
    c. to special equipment and material
    d. all of these
    Article 90.3 Code Arrangement pg 23

    generally to all electrical installations

    The authority having jurisdiction of enforcement of the Code has the responsibility ____.
    a. for making interpretations of the rules of the Code
    b. for deciding upon the approval of equipment and materials
    c. for waving specific requirements in the Code and allowing alternate methods and material if safety is maintained
    d. all of the above.
    Article 90.4 Enforcement pg. 23

    all of the above

    Explanatory material, such as references to other standards, references to related Sections of the Code, or information related to a Code rule is included in the Code book in the form of a Fine Print Note (FPN)
    a. True
    b. False
    Article 90.5(C) Explanatory Material pg 24


    Equipment ed by a qualified electrical testing laboratory is not required to have the ____ wiring to be reinspected at the time of installation.
    a. external
    b. associated
    c. internal
    d. any of these
    Article 90.7 Examination of Equipment for Safety pg. 24


    Capable of being removed or exposed without damaging the building structure or finish, or not permanently closed in by the structure or finish of the building defines ____.
    a. accessible(equipment)
    b. accessible (wiring methods)
    c. accessible, readily
    d. a, b, and c
    Article 100 pg. 26

    accessible (wiring methods)

    A synthetic nonflammable insulating medium which, when decomposed by electric arcs, produces predominantly nonflammable gaseous mixtures is known as _____.
    a. oil
    b. Geritol
    c. askarel
    d. phenol
    Article 100pg. 26


    The connection between the grounded (neutral) conductor and the equipment grounding conductor at the service is accomplished with the use of a _____jumper.
    a. main bonding
    b. bonding
    c. equipment bonding
    d. circuit bonding
    Article 100 pg. 26

    main bonding

    A branch circuit that supplies only one utilization equipment is a(n) _____branch circuit
    a. individual
    b. general-purpose
    c. isolated
    d. special purpose
    Article 100 pg 27


    A circuit breaker is a device designed to _____ a circuit by non-automatic means and to open a circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating
    a. blow
    b. disconnect
    c. connect
    d. open and close
    Article 100 pg 27

    open and close

    A conductor encased within material of composition or thickness that is not recognized by the code is called a _____ conductor.
    a. non-insulating
    b. bare
    c. covered
    d. protected
    Article 100 pg 27


    A load is considered to be continuous if it is expected to continue for _____ hours or more
    a. 1/2
    b. 1
    c. 2
    d. 3
    Article 100 pg 27


    Which of the following does the Code recognize as a device?
    a. switch
    b. switch and light bulb
    c. lock nut and switch
    d. lock nut and bushing
    Article 100 pg 28


    So constructed or protected that dust will not interfere with its successful operation is called _____.
    a. dusttight
    b. dustproof
    c. dust rated
    d. all of these
    Article 100 not in 2011 Code


    Varying duty is defined as _____.
    a. intermittent operation in which the load conditions are regularly recurrent
    b. operation at a substantially constant load for an indefinite length of time
    c. operation for alternate intervals of load and rest; or load, no load, and rest
    d. operation at loads and for intervals of time, both of which may be subject to wide variations
    Article 100 pg 28

    operation at loads and for intervals of time, both of which may be subject to wide variations

    The case or housing of apparatus or the fence surrounding an installation to prevent accidental contact of persons to energized parts is called _____.
    a. guarded
    b. covered
    c. protection
    d. an enclosure
    Article 100 pg 28

    an enclosure

    When the term exposed is used in the Code it refers to _____.
    a. capable of being inadvertently touched or approached nearer than a safe distance by a person
    b. parts that are not suitably guarded, isolated or insulated
    c. wiring on, or attached to, the surface or behind panels being designed to allow access
    d. all of the above
    Article 100 pg 28

    all of the above

    Connected to earth or to some conducting body that serves in place of earth is called _____.
    a. grounding
    b. bonded
    c. grounded
    d. all the above
    Article 100 pg 29


    A device intended for the protection of personnel that functions to de-energize a circuit within an established period of time when a current to ground exceeds some predetermined value less than that required to operate the overcurrent protection device of the supply circuit is a(n) _____.
    a. dual-element fuse
    b. inverse-time breaker
    c. ground-fault circuit-interrupter
    d. safety switch
    Article 100 pg 29

    ground-fault circuit-interrupter

    Recognized as suitable for the specific purpose, function, use, environment, and application is the definitions of _____.
    a. labeled
    b. identified
    c. ed
    d. approved
    Article 100 pg 29


    Equipment or materials to which a symbol or other identifying mark acceptable to the authority having jurisdiction has been attached is known as _____.
    a. ed
    b. labeled
    c. approved
    d. rated
    Article 100 pg 30


    The environment of a wiring method under the eve of a house with a roof open porch would be considered a _____ location.
    a. dry
    b. damp
    c. wet
    d. moist
    Article 100 pg 30


    A circuit in which any arc or thermal effect produced, under intended operating conditions of the equipment or due to opening, shorting, or grounding of field wiring, is not capable, under specified test conditions, of igniting the flammable gas, vapor, or dust-air mixture is a _____ circuit.
    a. non-conductive
    b. branch
    c. nonincendive
    d. closed
    Article 100 not ed in 2011 code


    An overload may be caused by a short-circuit or ground -fault.
    a. True
    b. False
    Article 100 pg 31


    Something constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions is defined as _____.
    a. raintight
    b. waterproof
    c. weathertight
    d. rainproof
    Article 100 pg 31


    A single receptacle is a ____ contact device with no other contact device on the same yoke.
    a. dual
    b. single
    c. multiple
    d. live
    Article 100 pg 31


    A ____ system is where a premise wiring is derived from a transformer and that has no direct electrical connection, including a solidly connected grounded circuit conductor, to supply conductors originating in another system.
    a. separately derived
    b. classified
    c. direct
    d. emergency
    Article 100 pg 31

    separately derived

    Overhead service conductors from the last pole or other aerial support to and including the splices if any are called _____ conductors.
    a. service-entrance
    b. service lateral
    c. service drop
    d. main service conductors
    Article 100 pg 32

    service drop

    Service conductors between the street main and the first point of connection to the service entrance run underground are know as the _____.
    a. utility service
    b. service lateral
    c. service drop
    d. main service conductors
    Article 100 pg 32

    service lateral

    The total components and subsystems that, in combination, convert solar energy into electrical energy is called a _____system
    a. solar
    b. solar voltaic
    c. separately derived source
    d. solar photovoltaic
    Article 100 pg 32

    solar photovoltaic

    A form of general-use switch so constructed that it can be installed in flush device boxes or on outlet box covers, or otherwise used in conjunction with wiring systems recognized by the Code is a ____ switch.
    a. transfer
    b. motor-circuit
    c. general-use snap
    d. bypass isolation
    Article 100 pg 32

    general-use snap

    Utilization equipment is equipment that utilizes electricity for ____.
    a. chemicals
    b. heating
    c. lighting
    d. a through c
    Article 100 pg 33

    a through c

    Something constructed so that moisture will not enter the enclosure under specific test conditions is called _____.
    a.. watertight
    b. moisture proof
    c. waterproof
    d. rainproof
    Article 100 pg 33


    Equipment is required to be installed and used according to its ____ instructions.
    a. ed or published
    b. labeled or design
    c. ed and labeled
    d. any of the above
    Article 110.3(B) Installation and Use pg 35

    ed and labeled

    All wiring shall be installed so that the completed system shall be free from _____.
    a. short circuits
    b. grounds
    c. a and b
    d. none of these
    Article 110.7 Wiring Integrity pg 35

    a and b

    Electrical equipment shall have sufficient short-circuit ___ rating to permit the circuit protection device to clear a fault without extensive damage to the electrical components of the circuit
    a. withstand
    b. current
    c. overload
    d. all of these
    Article 110.10 Circuit Impedance...etc. pg35


    Unless identified for use in the operating environment, no conductors or equipment shall be ____ having a deteriorating effect on the conductors or equipment.
    a. located in damp or wet locations
    b. exposed to fumes, vapors, and gases
    c. exposed to liquids and excessive temperatures
    d. all of these
    Article 110.11 Deteriorating agents pg 35

    all of these

    The NEC requires that electrical work be installed ____.
    a. in a neat and workmanlike manner
    b. under the supervision of a qualified person
    c. completed before being inspected
    d. all of these
    Article 110.12 Mechanical Execution of Work pg 35

    in a neat and workmanlike manner

    Electrical equipment that depends on the _____ principles for cooling of exposed surfaces shall be installed so that airflow over such surfaces is not prevented by walls or adjacent installed equipment.
    a. Peter
    b. natural circulation of air and convection
    c. artificial cooling and circulation
    d. air-conditioning
    Article 110.13(B)Mounting and Cooling of Equipment, Cooling pg 35

    natural circulation of air and convection

    Connection by means of wire binding screws or studs and nuts having upturned lugs or the equivalent shall be permitted for ____ or smaller conductors.
    a. No. 10
    b. No. 8
    c. No. 6
    d. none of these
    Article 110.14(A) Electrical Connections, Terminals pg. 36

    No. 10

    What size THHN conductor is required for a 50-ampere circuit if the equipment terminals are ed for 75 degrees C conductor sizing? Tip 310-16 s conductor ampacities.
    a. No. 10
    b. No. 8
    c. No. 6
    d. any of these
    Article 110.14(C)(1)(a)(2) Electrical Connections, Temperature Limitations, Equipment Provisions pg 36

    No. 8

    Separately installed pressure connectors shall be used with conductors at the _____ not exceeding the ampacity at the ed and identified temperature rating of the connector.
    a. voltages
    b. temperatures
    c. ings
    d. ampacities
    Article 110.14(C)(2) Electrical Connections, Temperature Limitations Separate Connector Provisions, pg 36


    Sufficient access and _____ shall be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment
    a. ventilation
    b. cleanliness
    c. circulation
    d. working space
    Article 110.26 600 Volts, Nominal or Less, Spaces about Electrical Equipment pg. 37

    working space

    The minimum working clearance on a circuit 120 volts to ground, with exposed live parts on one side and no live or grounded parts on the other side of the working space is ____ feet
    a. 1
    b. 3
    c. 4
    d. 6
    Table 110.26(A)(1) Condition 1 Working Spaces, pg 38


    The required clearance for access to live parts operating 300 volts, nominal to ground where there are exposed live parts on one side and grounded parts on the other side is ____ feet according to Table 110-26(a).
    a. 3
    b. 3 1/2
    c. 4
    d. 4 1/2
    Table 110.26(A) Condition 2 Working Spaces, pg 38

    3 1/2

    Equipment such as raceways, cables, wireways, cabinets, panels, etc. can be located above or below other electrical equipment where the associated equipment does not extend more than _____ inches from the front of the electrical equipment.
    a. 3
    b. 6
    c. 12
    d. 30
    Article 110.26(A)(3) Height of Working Space pg 38


    Where the required work space is doubled, ____ entrance(s) to the working space is/are required.
    a. 1
    b. 2
    c. 3
    d. 4
    Article 110.26(2) (b) Large Equipment, Extra working space pg 38


    The minimum headroom of working spaces about service equipment, switchboards, panelboards, or motor control centers shall be 6 1/2 feet, except service equipment or panelboards in existing dwelling units that do not exceed 200 amperes.
    a. True
    b. False
    Article 110.26(A) (3) Height of Working Space Exception #1 pg 38


    The dedicated space above a panelboard extends from the floor to the structural ceiling. A suspended ceiling is considered the structural ceiling.
    a. True
    b. False
    Article 110.26(E)(1)(d) Spaces around Electrical Equipment, Dedicated Equipment Space, Indoor, Suspended Ceilings pg 39


    When live parts of electrical equipment are guarded by suitable permanent, substantial partitions or screens, any openings in such partitions or screens shall be so sized and located that persons are not likely to come into accidental contact with live parts or to bring _____ into contact with them.
    a. dust
    b. conducting objects
    c. wires
    d. contaminating parts
    Article 110.27(A)(2) Live Parts Guarded Against Accidental Contact pg 39

    conducting objects

    Electrical installations over 600 volts located in ____, where access is controlled by lock and key or other approved means, shall be considered to be accessible to qualified persons only.
    a. a room or closet
    b. a vault
    c. an area surrounded by a wall, screen, or fence
    d. any of these
    Article 110.31 Over 600 Volts Nominal, Enclosure for Electrical Installations, pg 40

    any of these

    On circuits over 600 volts, nominal, where energized live parts are exposed, the minimum clear work space shall not be less than ____ high for over 600 volts.
    a. 3 feet
    b. 5 feet
    c. 6 feet 3 inches
    d. 6 feet 6 inches
    Article 110.32 Work Space about Equipment, pg 42

    6 feet 6 inches

    ____ shall be provided to give safe access to the working space around equipment over 600 volts installed on platforms, balconies, mezzanine floors, or in attic or roof rooms or spaces.
    a. Ladders
    b. Platforms or ladders
    c. Permanent ladders or stairways
    d. Openings
    Article 110.33(B) Entrance to Enclosures and Access to Working Space, Access pg 42

    Permanent ladders or stairways

    Switches or other equipment operating at 600 volts, nominal or less and serving only equipment within a high-voltage vault, room, or enclosure shall be permitted to be installed in the ____ enclosure, room, or vault if accessible to qualified persons only.
    a. restricted
    b. medium-voltage
    c. sealed
    d. high-voltage
    Article 110.34(B) Work Space and Guarding, Separation from Low Voltage Equipment, Exception pg 43


    The lighting outlets provided for illumination about electrical equipment over 600 volts shall be so arranged that persons changing lamps or making repairs on the ____ will not be endangered by live parts or other equipment.
    a. lighting system
    b. electrical system
    c. electrical equipment
    d. panelboard
    Article 110.34(D) Working Space and Guarding, Illumination pg 43

    lighting system

    Premises wiring shall not be electrically connected to a supply system unless the supply system contains, for any grounded conductor of the interior system, a corresponding conductor that is grounded.
    a. True
    b. False
    Article 200.3 Connection to Grounded System pg. 46


    Distinctive marking at the terminals during the process of installation shall identify the grounded conductors of _____ metal-sheathed cable.
    a. armored
    b. mineral insulated
    c. copper
    d. aluminum
    Article 200.6(A)(5) Means of Identifying Grounded Conductors, Sizes 6 AWG and Smaller pg 46

    mineral insulated

    Where a cable containing an insulated conductor with a white or natural gray outer finish is used for a 3 way or 4 way switch loop, the white or natural gray conductor can be used for the supply to the switch. Re-identification of the white or natural gray conductor is not required.
    a. True
    b. False
    Article 200.7(C)(1) Neutral Conductors, Circuits of 50 Volts or more pg 47


    No ____ shall be attached to any terminal or lead so as to reverse designated polarity.
    a. grounded conductor
    b. grounding conductor
    c. ungrounded conductor
    d. grounding connector
    Article 200.11 Branch Circuits, Polarity of Connections pg 48

    grounded conductor

    Where more than one nominal voltage system exists in a building, each ungrounded system conductor shall be identified by phase and system. The means of identification shall be permanently posted at each branch-circuit.
    a. True
    b. False
    Article 210.5(C) Identification for Branch circuits, Identification of Ungrounded conductors, pg. 49


    In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply the terminals of _____.
    a. lighting fixtures
    b. cord and plug-connected loads of less than 1440 VA, nominal
    c. cord and plug-connected loads of more than 1440 VA, nominal
    d. a and b
    Article 210.6(A) Branch Circuit Voltage Limitations, Occupancy Limitations pg. 49

    a and b

    When replacing and ungrounded receptacle in a bedroom of a dwelling unit, if a grounding means does not exist in the receptacle enclosure you must use a _____.
    a. non-grounding receptacle
    b. grounding receptacle
    c. GFCI type receptacle
    d a or b
    Article 210.7(D)(3)(Not found in the 2011 code)

    a or b

    Ground-fault circuit-interrupter (GFCI) protection for personnel is required for all 125 volt, single-phase, 15 and 20 ampere receptacles installed in a dwelling-unit_____.
    a. attic
    b. garage
    c. laundry
    d. all of these
    Article 210.8(A)(2) Ground Fault Circuit-Innterrupter Protection , Dwelling Units pg 50


    GFCI protection of personnel is required for fixed electric snow-melting or de-icing equipment receptacles that are not readily accessible and are not supplied by a dedicated branch circuit.
    a. True
    b. False
    Article 210.8(a)(3) Exception GFCI Protection, Dwelling Units, Exception


    Receptacle outlets shall not be installed in a face-up position in the work surfaces or counter-tops of a wet bar sink.
    a. True
    c. False
    Article 210-8(A)(7) not included in 2011 code... does stipulate that a receptacle can be installed in countertop if ed for the application 210.52(C)(5) pg 57

    new code would be false

    Where the load is computed on a volt-amperes-per-square-foot basis, the load shall be evenly proportioned among multioutlet branch circuits within the _____.
    a. premises
    b. branch circuits
    c. panelboard(s)
    d. dwelling unit
    Article 210.11(B) Load Evenly Proportioned Among Branch circuits pg 51


    Effective January 1, 2002, all branch circuits that supply 125 volt, 15 and 20 ampere receptacles in dwelling unit bedrooms shall be _____ protected.
    a. AFCI
    b. GFCI
    c. a and b
    d. none of these
    Article 210.12 Dwelling Units, pg 52


    The neutral conductor of a 3-wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a 8 3/4 kW range has been computed according to Column A of Table 220-19. However, the neutral ampacity shall not be less than ____ percent of the branch circuit rating and not be smaller than No. _____.
    a. 50, 6
    b. 70, 6
    c. 50, 10
    d. 70, 10
    Article 210.19(A)(3) Exception #2 pg 53

    70, 10

    Where connected to a branch circuit supplying ____ or more receptacles or outlets, a receptacle shall not supply a total cord-and plug connected load in excess of the maximum specified in Table 210-21(b)(2).
    a. 2
    b. 3
    c. 4
    d. 5
    Article 210.21(B)(2)Receptacles, Total Cord and Plug Connected Load pg 54


    It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220-19.
    a. circuit
    b. voltage
    c. ampere
    d. load
    Article 210.21(B)(4) Range Receptacle Rating pg 54


    Multioutlet circuits rated 15 or 20 amperes can supply fixed appliances (utilization equipment fastened in place) as long as the fixed appliances do not exceed ____ percent of the circuit rating.
    a. 125
    b. 100
    c. 75
    d. 50
    Article 210.23(A) 15 and 20 Amp Branch Circuit, Utilization Equipment Fixed in Place pg 54


    No point along the floor line in any wall space may be more than ____ feet from an outlet.
    a. 12
    b. 10
    c. 8
    d. 6
    Article 210.52(A)(1) Dwelling Unit Receptacle outlets, Spacing pg 56


    Receptacle outlets shall, insofar as practicable, be spaced equal distances apart in a dwelling unit. Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless they are located within ____ of the wall.
    a. 6 inches
    b. 12 inches
    c. 18 inches
    d. close to the wall
    Article 210.52(A) Dwelling Unit Receptacle Outlets, Floor Receptacles pg 56

    18 inches

    Two 20-ampere small appliance circuits can supply more than one kitchen of a dwelling.
    a. True
    b. False
    Article 210.52(B)(3) Small Appliances, Kitchen Receptacle Requirements, pg 56


    One receptacle outlet shall be installed at each island or peninsular countertop with a long dimension of ____ inches or greater and a short dimension of ____ inches or greater..
    a. 12, 24
    b. 24, 12
    c. 24, 48
    d. 48, 24
    Article 210.52(C)(2) and (C)(3) Kitchen Receptacle Requirements, Island Counter-top Spaces pg 56

    24, 12

    Kitchen and dining room countertop receptacle outlets in dwelling units must be installed above the countertop surface and not more than ____ above the countertop.
    a. 12
    b. 18
    c. 24
    d. none of these
    Article 210.52(C)(5) Kitchen Receptacle Requirements, Receptacle Outlet Location, pg 57

    18 20 inches in 2011 code

    A one-family or two-family dwelling unit requires a minimum of ____ GFCI receptacles(s) located outdoors.
    a. 0
    b. 1
    c. 2
    d. 3
    Article 210.52(E) Outdoor Outlets, One-Family and Two-Family Dwellings pg 57


    If a portion of the dwelling-unit basement is finished, then a GFCI protected 125 volt 15 or 20 ampere receptacle must be installed in the unfinished area of the basement.
    a. True
    b. False
    Article 210-52(G) Dwelling Unit Receptacle Outlets, Basements,Garages, and Accessory Buildings, pg. 58


    At least one receptacle outlet shall be installed directly above a show window for each _____.
    a. 12 square feet
    b. 12 linear feet
    c. 10 linear feet
    d. 15 horizontal feet
    Article 210.62 Show Windows, pg 58

    12 linear feet

    A lighting outlet shall be installed at the exterior side of each outdoor entrance or exit that has grade level access.
    a. True
    b. False
    Article 210.70(A)(2) Lighting Outlets Required, Additional Locations pg 58


    Illumination on the exterior side of outdoor entrances or exits shall have grade level access can be controlled by _____.
    a. home automation devices
    b. motion sensors
    c. photocells
    d. any of the above
    Article 210.70(A)(2) Exception Lighting Outlets Required, Additional Locations

    any of the above

    For other than dwelling units, a wall-switched lighting outlet is required near equipment requiring servicing in attics or underfloor spaces, and the switch must be located at the point of entrance to the attic or underfloor space.
    a. True
    b. False
    Article 210.70(A)(3) an d(C) Lighting Outlets Required, Storage or Equipment Spaces, Other than Dwelling Units pg 58 and 59

    In 2011 This is now true for all Spaces

    Where installed in a metal raceway, all feeder conductors using a common neutral shall be ____.
    a. insulated for 600 volts
    b. enclosed within the same raceway
    c. shielded
    d. none of these
    Article 215.4(B)

    enclosed within the same raceway

    Ground-fault protection is required for the feeder disconnect if _____.
    a. the feeder is rated 1000 amps or more.
    b. it is a solidly grounded wye system
    c. the system voltage is over 150 volts to ground, but not exceeding 600 volts phase to phase
    d. all of these
    Article 215.10 Feeders, Ground Fault Protection of equipment pg 60

    all of these

    The 3 volt-ampere per square foot for dwelling unit general lighting includes all 15 and 20 ampere general use receptacles. The floor area shall _____ open porches, garages, or unused or unfinished spaces, not adaptable for future use.
    a. include
    b. not include.
    Article 220.12 Branch Circuit, Feeder, and Service Calculations, Lighting Load for Specified Occupancies, pg 61

    not include

    When determining the load for recessed lighting fixtures for branch circuits, the load shall be based on the _____.
    a. wattage rating of the fixture
    b. VA of the equipment and lamps
    c. wattage rating of the lamps
    d. none of these
    Article 220.14(D) Other Loads, All Occupancies, Luminaires pg 62

    VA of the equipment and lamps

    The demand factors of Table 220-11 shall apply to the computed load of feeders to areas in hospitals, hotels, and motels where the entire lighting is likely to be used at one time, as in operating rooms, ballrooms, or dining rooms.
    a. True
    b. False
    Article 220.42 Table Note Lighting Load Demand Factors pg. 64


    Receptacle loads for non-dwelling units computed at not more than 180 VA per outlet in accordance with Section 220.14(H) and (I) shall be permitted to be _____.
    a. added to the lighting loads and made subject to demand factors of Table 220.44
    b. made subject to the demand factors of Table 220.42
    c. made subject to the lighting demand loads of Table 220.3(B))Recepticle Outlets
    d. a or b
    Article 220.44 Receptacle Loads - Other than Dwelling Units pg. 64

    a or b

    Using standard load calculations, the feeder demand factor for five household clothes dryers is _____ percent
    a. 70
    b. 85
    c. 50
    d. 100
    Article 220.54 Table220.54Electric Clothes Dryers, Dwelling Units, pg. 65


    The demand factors of Table 220.56 apply to space heating, ventilating, and air-conditioning equipment.
    a. True
    b. False
    Article 220.56 Table 220.56 Kitchen Equipment, Other than Dwelling Units pg 65


    There shall be no reduction in the size of the neutral conductor on ____ -type lighting loads.
    a. dwelling unit
    b. hospital
    c. nonlinear
    d. motel
    Article 220.61** This does not exist in 2011 code see pg. 67


    Under the optional method for calculating a single-family dwelling, general loads beyond the initial 10 kW are to be assessed at a ____ percent demand factor.
    a. 40
    b. 50
    c. 60
    d. 75
    Article 220.30(B)Dwelling Unit, General Loads, pg 67


    The connected load to which the demand factors of table 220.84 apply shall include the _____ rating of all appliances that are fastened in place, permanently connected or located to be on a specific circuit: ranges, wall-mounted ovens, counter-mounted cooking units, clothes dryers, water heaters, and space heaters.
    a. calculated
    b. nameplate
    c. circuit
    d. overcurrent protection
    Article 220.84(C)(3)Multifamily Dwelling, Calculated Loads, pg. 69


    Service entrance or feeder conductors whose demand load is determined by the optional calculation as permitted in Section 220.88 shall not be permitted to have the neutral load determined by Section 220.61.
    a. True
    b. False
    Article 220.88 Load Calculations, New Restaurants pg. 70


    Conductors installed between buildings, structures, or poles as well as wiring and equipment located on or attached to the outside of buildings, structures, or poles must comply with Article 225.
    a. True
    b. False
    Article 225.1 Outside Branch Circuits and Feeders, Scope pg. 71


    On circuits of 600 volts or less, overhead spans up to 50 feet in length shall have conductors not smaller than _____.
    a. No. 14
    b. No. 12
    c. No. 6
    d. No. 10
    Article 225.6(A) Conductor Size and Support, Overhead Spans pg. 71

    No. 10

    Open conductors installed outside shall be separated from open conductors of other circuits by not less than _____inches
    a. 4
    b. 6
    c. 8
    d. 10
    Article 225.14(C) Open Conductor Spacings, Separation from other circuits pg. 72


    Conductors on poles shall have a separation of not less than 1 foot where not placed on racks or brackets. Power conductors rated 300 volts or less installed above communication conductors supported on poles shall provide a horizontal climbing space of not less than _____ inches.
    a. 12
    b. 24
    c. 6
    d. none of the above
    Article 225.14(D) Open Conductor Spacings, Conductors on poles pg. 72


    Where the voltage between conductors does not exceed 300 volts, the roof has a slope of not less than 4 inches in 12 inches, a reduction in clearance to _____ feet shall be permitted.
    a. 1
    b. 2
    c. 3
    d. 4
    Article 225.19(A)Exception #2 Clearances from Buildings for Conductors not over 600 Volts, Above Roofs pg. 73


    Overhead conductors to a building shall maintain a vertical clearance of _____ feet above platforms, projections or surfaces from which they might be reached. This vertical clearance shall extend 3 feet measured horizontally from the platforms, projections, or surfaces form which they might be reached.
    a. 6
    b. 8
    c. 10
    d. 112
    Article 225.19(D) Final Spans, 225.18 Clearance for Overhead Conductors, pg 72-73


    Raceways on exterior surfaces of building shall be _____ and arranged to drain.
    a. suitable for use in wet locations
    b. rainproof
    c. watertight
    d. waterproof
    Article 225.22 Raceways on exterior Surfaces of buildings, pg. 73

    suitable for use in wet locations

    Which of the following cannot be attached to vegetation?
    a. overhead conductor spans
    b. overhead conductor spans for temporary wiring
    c. lighting fixtures
    d. all of these
    Article 225.26 and Exception, and 410.16(H) Vegetation as support, pg. 73

    overhead conductor spans

    A single building or other structure sufficiently large to require two or more services is permitted by _____.
    a. architects
    b. special permission
    c. written authorization
    d. master electricians
    Article 230.2(C)(2) Services, Number of Services, Capacity Requirements, pg. 79

    special permission

    _____ shall not be installed beneath openings through which material may be moved, such as openings in farm and commercial buildings, and shall not be installed where they will obstruct entrance to these building openings.
    a. Overcurrent protection devices
    b. Overhead service conductors,
    c. Grounding conductors
    d. Wiring systems
    Article 230.9 Clearances on Buildings, Building Openings pg. 79

    Overhead service conductors

    The minimum size service drop conductor permitted by the Code is No. ____ copper and No. _____ aluminum.
    I. 6 cu., II. 8 cu, III. 6 al., IV 8 al.,
    a. II and III
    b. I and IV
    c. I and III
    d. II and IV
    Article 230.23(B)Minimum Size, pg. 80

    II and III

    120/240 volt service conductors terminate at a through-the-roof raceway, and less than 6 feet of the conductors pass over the roof overhang. The minimum clearance above the roof for these service conductors is _____.
    a. 12 inches
    b. 18 inches
    c. 2 feet
    d. 5 feet
    Article 230.24(A) Exception #3

    18 inches

    The minimum clearance for service drops, not exceeding 600 volts, over commercial areas subject to truck traffic is _____ feet.
    a. 10
    b. 12
    c. 15
    d. 18
    Article 230.24(B) Services, Clearances, Above Roofs, pg. 80


    Where raceway-type service masts are used, all raceway fittings shall be _____ for use with service masts.
    a. identified
    b. approved
    c. heavy-duty
    d. ed
    Article 230.28 Service Masts as Supports, pg. 80


    Underground copper service conductors shall not be smaller than No. _____.
    a. 3
    b. 4
    c. 6
    d. 8
    Article 230.31(B) Underground Service Conductors, Size and Rating, Minimum Size, pg. 81


    Where two to six service disconnecting means in separate enclosures are grouped at one locations and supply separate loads from one service drop or lateral, _____ set(s) of service-entrance conductors shall be permitted to supply each or several such service equipment enclosures.
    a. 1
    b. 2
    c. 3
    d. 4
    Article 230.40 Exception #2 Number of Service Entrance Conductor Sets pg. 81


    Wiring methods permitted for service conductors include _____.
    a. mineral-insulated cable
    b. electrical metallic tubing
    c. liquidtight nonmetallic conduit
    d. any of these
    Article 230.43 Underground Services, Wiring Methods for 600 Volts or less, pg. 82

    any of these

    Service conductors or cables shall be protected against physical damage.
    a. True
    c. False
    Article 230.50(A) Service-Entrance Conductors, pg. 82


    Where individual open conductors are exposed to _____, the conductors shall be mounted on insulators or on insulating supports attached to racks, brackets, or other approved means.
    a. a corrosive environment
    b. the weather
    c. the general public
    d. any inspector
    Article 230.51(C) Individual Open Conductors pg. 83

    the weather

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