PEC Chapter 4 (Sheet1-Part2)

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Author:
Camskie
ID:
306254
Filename:
PEC Chapter 4 (Sheet1-Part2)
Updated:
2015-08-15 11:48:51
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camille chapterfour
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Description:
Chapter 4
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  1. Each lighting and appliance branch-circuit panelboard shall be individually protected on the supply side by not more than __ main circuit breakers or __ sets of fuses having a combined rating not greater than that of the panelboard
    • two
    • two
  2. In addition to the requirements of 4.8.3.1, a power panelboard with supply conductors that include a neutral, and having more than __ percent of its overcurrent devices protecting branch circuits rated __ amperes or less, shall be protected by an overcurrent protective device having a rating not greater than that of the panelboard
    • 10
    • 30
  3. Panelboards equipped with snap switches rated at __ amperes or less shall have overcurrent protection of __ amperes or less
    • 30
    • 200
  4. In panelboards, fuses of any type shall be installed on the ___ side of any switches.
    load
  5. Instruments, pilot lights, potential transformers, and other switchboard devices with potential coils shall be supplied by a circuit that is protected by standard overcurrent devices rated __ amperes or less
    15
  6. Exception No. 1: Overcurrent devices rated more than __ amperes shall be permitted where the interruption of the circuit could create a hazard. Short-circuit protection shall be provided
    15
  7. Exception No. 2: For ratings of __ amperes or less, special types of enclosed fuses shall be permitted
    2
  8. _____is an assembly of a systematic and standard arrangement of two or more components such as motor controllers,overload relays, fused disconnect switches, and circuit breakers and related control devices such as pushbutton stations, selector switches, timers, switches, control relays, and the like with associated wiring, terminal blocks, pilot lights, and similar components. It does not include the controlled equipment
    INDUSTRIAL CONTROL PANEL
  9. The size of the industrial control panel supply conductor shall have an ampacity not less than __ percent of the full-load current rating of all resistance heating loads plus __ percent of the full-load current rating of the highest rated motor plus the sum of the full-load current ratings of all other connected motors and apparatus based on their duty cycle that may be in operation at the same time
    • 125
    • 125
  10. The rating or setting of the overcurrent protective device for the circuit supplying the industrial control panel shall not be greater than the sum of the largest rating or setting of the branch-circuit shortcircuit and ground-fault protective device provided with the industrial control panel, plus __ percent of the full-load current rating of all resistance heating loads, plus the sum of the full-load currents of all other motors and apparatus that could be in operation at the same time
    125
  11. Exception: Cleat-type lampholders located at least __ mm above the floor shall be permitted to have exposed terminals
    2 400
  12. No parts of cord-connected luminaires (fixtures), chain-, cable-, or cord-suspended-luminaires (fixtures), lighting track, pendants, or ceiling-suspended (paddle) fans shall be located within a zone measured __ mm horizontally and __ mm vertically from the top of the bathtub rim or shower stall threshold. This zone is all encompassing and includes the zone directly over the tub or shower stall
    • 900
    • 2 400
  13. Luminaires (fixtures) shall be constructed, installed, or equipped with shades or guards so that combustible material is not subjected to temperatures in excess of __°C (__°F)
    • 90
    • 194
  14. Lampholders installed over highly combustible material shall be of the unswitched type. Unless an individual switch is provided for each luminaire (fixture), lampholders shall be located at least __ mm above the floor or shall be located or guarded so that the lamps cannot be readily removed or damaged
    2 400
  15. _____is the volume bounded by the sides and back closet walls and planes extending from the closet floor vertically to a height of 1 800 mm or to the highest clothes-hanging rod and parallel to the walls at a horizontal distance of 600 mm from the sides and back of the closet walls, respectively, and continuing vertically to the closet ceiling parallel to the walls at a horizontal distance of 300 mm or the width of the shelf, whichever is greater; for a closet that permits access to both sides of a hanging rod, this space includes the volume below the highest rod extending 300 mm on either side of the rod on a plane horizontal to the floor extending the entire length of the rod
    Storage Space
  16. Storage Space is the volume bounded by the sides and back closet walls and planes extending from the closet floor vertically to a height of __ mm or to the highest clothes-hanging rod and parallel to the walls at a horizontal distance of __ mm from the sides and back of the closet walls, respectively, and continuing vertically to the closet ceiling parallel to the walls at a horizontal distance of __ mm or the width of the shelf, whichever is greater; for a closet that permits access to both sides of a hanging rod, this space includes the volume below the highest rod extending __ mm on either side of the rod on a plane horizontal to the floor extending the entire length of the rod
    • 1 800
    • 600
    • 300
    • 300
  17. Surface-mounted incandescent luminaires (fixtures) installed on the wall above the door or on the ceiling, provided there is a minimum clearance of __ mm between the luminaire (fixture) and the nearest point of a storage space
    300
  18. Surface-mounted fluorescent luminaires (fixtures) installed onthe wall above the door or on the ceiling, provided there is a minimumclearance of __ mm between the luminaire (fixture) and the nearestpoint of a storage space
    150
  19. Recessed incandescent luminaires (fixtures) with a completely enclosed lamp installed in the wall or the ceiling, provided there is a minimum clearance of __ mm between the luminaire (fixture) and the nearest point of a storage space
    150
  20. Recessed fluorescent luminaires (fixtures) installed in the wall or the ceiling, provided there is a minimum clearance of __ mm between the luminaire (fixture) and the nearest point of a storage space
    150
  21. Luminaires (fixtures) and lampholders shall be securely supported. A luminaire (fixture) that weighs more than __ kg or exceeds __ mm in any dimension shall not be supported by the screw shell of a lampholder
    • 3
    • 410
  22. Metal or nonmetallic poles shall be permitted to be used to support luminaires (lighting fixtures) and as a raceway to enclose supply conductors, provided the following conditions are met:

    (1) A pole shall have a handhole not less than __ mm × __ mm with a raintight cover to provide access to the supply terminations within the pole or pole base.

    (2) Where raceway risers or cable is not installed within the pole, a threaded fitting or nipple shall be brazed, welded, or attached to the pole opposite the handhole for the supply connection.

    (3) A metal pole shall be provided with a grounding terminal
    • 50
    • 100
  23. Exception No. 1: No handhole shall be required in a pole __ mm or less in height above grade where the supply wiring method continues without splice or pull point, and where the interior of the pole and any splices are accessible by removing the luminaire (fixture)
    2 400
  24. Exception No. 2: No handhole shall be required in a pole ___ mm or less in height above grade that is provided with a hinged base
    6 000
  25. Exception to (3): No grounding terminal shall be required in a pole __ mm or less in height above grade where the supply wiring method continues without splice or pull, and where the interior of the pole and any splices are accessible by removing the luminaire (fixture)
    2 400
  26. Outdoor luminaires (lighting fixtures) and associated equipment shall be permitted to be supported by ___
    trees
  27. Exposed metal parts shall be grounded or insulated from ground and other conducting surfaces or be inaccessible to unqualified personnel. Lamp tie wires, mounting screws, clips, and decorative bands on glass spaced at least __ mm from lamp terminals shall not be required to be grounded
    40
  28. Unless part of listed decorative lighting assemblies, pendant conductors shall not be smaller than __ mm2 (__ mm dia.) for mogulbase or medium-base screw-shell lampholders or smaller than __mm2 for intermediate or candelabra-base lampholders
    • 2.0 mm2 (1.6 mm dia.)
    • 0.75mm2
  29. Pendant conductors longer than __ mm shall be twisted together where not cabled in a listed assembly. Stranded conductors shall be used for wiring on luminaire (fixture) chains and on other movable or flexible parts
    900

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