Chapter 2 PEC Continuation

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Camskie
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304258
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Chapter 2 PEC Continuation
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2015-08-15 11:49:00
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PEC Chapter 2 Continuation
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  1. Show Windows. Atleast one receptacle outlet shall be installed
    directly above a show window for each ____ linear mm or major fraction thereof
    of show window area measured horizontally at its maximum width
    3600
  2. Heating, Air conditioning, and Refrigeration
    Equipment Outlet. The
    receptacle shall be located on the same level and within ___mm of the heating,
    air-conditioning, and refrigeration equipment. And rec.outlet shall not be
    connected to the load side of equipment disconnecting means
    7600
  3. Feeders not more than 600v. The minimum feeder-circuit conductor size,
    before the application of any adjustment or correction factors, shall have an
    allowable ampacity not  less than the  noncontinuous load plus ___percent of the
    continuous load
    125
  4. Ampacity relative to service conductors. The feeder conductor ampacity shall not be less
    than that  of the service conductors
    where the feeder conductors carry the total load supplied by service conductors
    with an ampacity of ___amperes or less
    55
  5. Feeders supplying transformers and utilization
    equipment. ___
    percent
    125
  6. Overcurrent Protection.  Shall not be less than the noncontinuous load plus ___percent of the
    continuous load.
    125
  7. Ground-Fault Protection of Equipment. Each feeder disconnect rated ___amperes or more
    and installed on solidly grounded wye electrical systems of more than 150 volts
    to ground, but not exceeding 600 volts phase-to-phase, shall be provided with
    ground-fault protection of equipment
    1000
  8. Where
    calculations result in a fraction of an ampere that is less than ___, such
    fractions shall be permitted to be dropped
    0.5
  9. Heavy-Duty Lampholders. Outlets for heavy-duty lampholders shall be
    calculated at a minimum of ___ volt-amperes
    600
  10. Sign and Outline Lighting. Sign and outline lighting outlets shall be
    calculated at a minimum of ___ volt-amperes for each required branch-circuit
    1200
  11. Show
    windows shall be calculated at ___ volt-amperes per ___mm of show window.
    • 200
    • 300
  12. Fixed Multioutlet Assemblies. Where appliances are UNLIKELY to be used simultaneously,
    each ____mm or fraction thereof of each separate and continuous length shall be
    considered as one outlet of not less than ___ volt-amperes
    • 1500
    • 180
  13. Where
    appliances are LIKELY to be used simultaneously, each ___mm or fraction thereof
    shall be considered as an outlet of not less than ___ volt-amperes
    • 300
    • 180
  14. A
    single piece of equipment consisting of a multiple receptacle comprised of four
    or more receptacles shall be calculated at not less than ___ volt-amperes per
    receptacle
    90
  15. In
    banks or office buildings, receptacle loads shall be calculated to be the
    larger of ___ volt-amperes/m2
    11
  16. For
    show-window lighting, a load of not less than ___ volt-amperes/linear meter
    shall be included for a show window, measured horizontally along its base
    660
  17. Track Lighting. For track lighting in other than dwelling units
    or guest rooms or guest suites of hotels or motels, an additional load of ___
    volt-amperes shall be included for every ___mm of lighting track or fraction
    thereof
    • 150
    • 600
  18. Fixed Electrical Space Heating.  Fixed
    electrical space heating loads shall be calculated at ___percent of the total
    connected load
    100
  19. Small Appliance Circuit Load. In each dwelling unit, the load shall be
    calculated at ___volt-amperes for each 2-wire small appliance branch circuit
    1500
  20. Laundry Circuit Load. A load of not less than ___volt-amperes shall
    be included for each 2-wire laundry branch-circuit
    1500
  21. Appliance Load – Dwelling Unit(s).  It shall
    be permissible to apply a demand factor of ___percent to the nameplate rating
    load of four or more appliances fastened in place, other than electric ranges,
    clothes dryers, space heating equipment, or air-conditioning equipment, that
    served by the same feeder or service on a one-family, two-family, or
    multifamily dwelling
    75
  22. Electric Clothes Dryers – Dwelling Unit(s). The load for household electric clothes dryers
    in a dwelling unit(s) shall be either ___watts (volt-amperes) or the nameplate
    rating, whichever is larger, for each dryer served
    5000
  23. For
    3-wire, 2-phase, or 5-wire, 2-phase systems, the maximum unbalanced load shall
    be the maximum net calculated load between the neutral and any one ungrounded
    conductor multiplied by ___percent
    140
  24. Dwelling Unit – more than 150 sq.meters floor
    area.  For a dwelling unit having a floor area more
    than ___ square meters, the feeder and service loads shall be computed with
    ___percent demand factor on the airconditioning load and the lighting load
    • 150
    • 100
  25. General
    Lighting and General-use receptacles at __ volt-amperes/m2
    24
  26. The
    maximum demand data is available for a ____ period.
    1-year
  27. The
    maximum demand at ___ percent plus the new load does not exceed the ampacity of
    the feeder or rating of the service
    125
  28. Festoon Lighting.  Overhead
    conductors for festoon lighting shall not be smaller than _____ unless the conductors are supported by messenger wires. In all
    spans exceeding ___, the conductors shall be supported by messenger wire
    • 3.5mm2(2.0 mm dia.)
    • 12m
  29. The
    messenger wire shall be supported by _____. Conductors or messenger
    wires, shall not be attached to any fire escape, downspout, or plumbing
    equipment.
    strain insulators
  30. Circuits
    exceeding 230volts, nominal, between conductors and not exceeding 277 volts,
    nominal to ground shall be permitted to supply luminaires for illumination of
    outdoor areas of industrial establishments, office buildings, schools, etc..
    where luminaires are not less than ___mm from windows, platforms, fire escapes,
    and the like
    900
  31. Wiring on Buildings. The installation of outside wiring on surfaces
    of buildings shall be permitted for circuits of not over ___ volts,nominal
    600
  32. Conductors on Poles. Shall have a separation of not less than ___mm where
    not placed on racks or brackets
    300
  33. ___
    are used for the support of final spans of feeders or branch circuits
    Masts
  34. 1.      
    Clearance from Ground. Not over 600volts.
     
    ___ – above finished grade,
    sidewalks,etc.. which they might be reached where the voltage does not exceed
    150 volts to ground and accessible to pedestrians only.
             
    ___ – over residential property and
    driveways, and those commercial areas not subject to truck traffic where the
    voltage does not exceed 300volts to ground.

    ___  – for those areas listed in the
    3600mm classification where the voltage exceeds 300volts to ground.

    ___ – over public streets, alleys, roads, etc… and other land traversed by vehicles,
    such as cultivated, grazing, forest and orchard
    • 3000
    • 3600
    • 4500
    • 5500
  35. CLEARANCES FROM BUILDINGS
    FOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    Above Roofs. Overhead spans of open conductors and open
    multiconductor cables shall have a vertical clearance of not less than ___mm
    above the roof surface
    2500
  36. CLEARANCES FROM BUILDINGSFOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    Where
    the voltage between conductors does not exceed 300, and the roof has a slope of
    100mm in 300mm or greater, a reduction in clearance to ___mm shall be permitted
    900
  37. CLEARANCES FROM BUILDINGSFOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    From Nonbuilding or Nonbridge Structures.  From
    signs, chimneys, radio and television antennas, tanks, and other nonbuilding or
    nonbridge structures, clearances – vertical, diagonal, and horizontal – shall
    not be less than ___mm
    900
  38. CLEARANCES FROM BUILDINGSFOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    Horizontal Clearances. Clearances shall not be less than ___mm
    900
  39. CLEARANCES FROM BUILDINGSFOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    Clearances from Windows. Final spans to the building they supply, shall
    be permitted to be attached to the building, but they shall be kept not less
    than ___mm from windows that are designed to be opened, and from doors,
    porches, etc…
    900
  40. CLEARANCES FROM BUILDINGSFOR CONDUCTORS OF NOT OVER 600V NOMINAL.

    Vertical Clearance.  The
    vertical clearance of final spans above, or within ___mm measured horizontally
    of, platforms, projections, or surfaces from which they might be reached shall
    be maintained
    900
  41. Zone for Fire Ladders. Where buildings exceed three stories or __m in
    height, overhead lines shall be arranged, where practicable, so that a clear
    space (or zone) at least ___mm wide will be left either adjacent to the
    buildings or beginning not over ___mm from them to facilitate the raising of
    ladders when necessary for fire fighting
    • 15
    • 1800
    • 2400
  42. Vegetation
    such as ___ shall not be used for support of overhead conductor spans.
    trees
  43. 2  More Than One Building Or Other Structrure

    Capacity
    Requirements. Additional
    feeders or branch circuits shall be permitted where the capacity requirements
    are in excess of ___ amperes at a supply voltage of ___v or less
    • 2000
    • 600
  44. Maximum
    number of Disconnects.

    General.
    The
    disconnecting means for each supply permitted by 2.25.2.1 shall consist of not
    more than ___ switches or ___ circuit breakers mounted in a single enclosure,
    in a group of separate enclosure, or in or on a switchboard
    • SIX
    • SIX
  45. Single Pole Units. ___ or ___ single-pole switches or breakers
    capable of individual operation shall be permitted on multiwire circuits
    • Two
    • three
  46. Grouping of Disconnects

    General.
    The
    ___ to ___ disconnects as permitted in 2.25.2.4 shall be grouped. Each
    disconnect shall be marked to indicate the load served
    • two
    • six
  47. One-Circuit Installation. For installations to supply only limited loads
    of a single branch circuit, the branch circuit disconnecting means shall have a
    rating of not less than ___ amperes
    15
  48. One-Circuit Installation – Dwelling Unit. The branch circuit disconnecting means shall
    have a rating of not less than ___amperes.
    20
  49. Two-Circuit Installations. For installations consisting of not more than
    two 2-wire branch circuits, the feeder or branch-circuit disconnecting means
    shall have a rating of not less than ___ amperes
    30
  50. One-Family Dwelling.  For a
    one-dwelling family, the feeder disconnecting means shall have a rating of not
    less than ___ amperes, 3-wire
    60
  51. All Others. For other installations, the
    feeder or branch-circuit disconnecting means shall have a rating of not less
    than ___ amperes.
    30
  52. Capacity Requirements. Additional services shall be permitted where the
    capacity requirements are in excess of ___ amperes at  a supply voltage of ___ volts or less
    • 2000
    • 600
  53. Clearances on Buildings. Service conductors installed as open conductors
    or multiconductor cable without an overall outer jacket shall have a clearance
    of not less than ___mm from windows that are designed to be opened, doors,
    porches, balconies, ladders, stairs, fire escapes, or similar locations
    900
  54. Conductors
    run above the top level of a window shall be permitted to be less than the
    ___mm requirement.
    900
  55. Vertical Clearance. The vertical clearance of final spans above, or
    within ___mm measured horizontally of, platforms, projections, or surfaces from
    which they might be reached shall be maintained in accordance with 2.30.2.3(b)
    900
  56. Overhead Service-Drop Conductors

    Insulation and Covering. Individual conductors shall be ____ or
    ______
    • insulated
    • covered
  57. Overhead Service-Drop Conductors

    The
    grounded conductor of a multiconductor cable shall be permitted to be ____.
    bare
  58. Overhead Service-Drop Conductors

    Minimum Size. The conductors shall not be smaller than ____ copper or ____ aluminum or copper-clad aluminum
    • 8.0mm2(3.2 mm dia.)
    • 14mm2
  59. Overhead Service-Drop Conductors

    Conductors
    supplying only limited loads of a single branch circuit – such as small
    polyphase power, controlled water heaters, and similar loads – shall not be
    smaller than ____ hard-drawn copper or equivalent
    3.5mm2 (2.0 mm dia.)
  60. 1.      
    Clearances –Service Entrance Conductors.

    Above
    Roofs. Conductors
    shall have a vertical clearance of not less than ____mm above the roof surface.
    The vertical clearance above the roof level shall be maintained for a distance
    of not less than ___mm in all directions from the edge of the roof.
    • 2400
    • 900
  61. Where
    the voltage between conductors does not exceed ___ and the roof has a slope of
    100mm in 300mm or greater, a reduction in clearance to ___mm shall be permitted
    • 300
    • 900
  62. Where the voltage between
    conductors does not exceed 300, a reduction in clearance above only the
    overhanging portion of the roof to not less than 450mm shall be permitted if:

    Not more than ____mm of service-drop conductors,
    ____mm horizontally, pass above the roof overhang.
    • 1800
    • 1200
  63. The
    requirement for maintaining the vertical clearance ____mm from the edge of the
    roof shall not apply to the final conductor span where the service drop is
    attached to the side of a building
    900
  64. Underground Service-Lateral Conductors

    Minimum Size. The conductors shall not be smaller than _____ copper or _____ aluminum or copper-clad aluminum
    • 8.0mm2(3.2 mm dia.)
    • 14mm2

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