(PEC-Chapter6) Random 1-40

Card Set Information

Author:
Camskie
ID:
306384
Filename:
(PEC-Chapter6) Random 1-40
Updated:
2015-08-14 02:19:36
Tags:
camille chaptersix
Folders:

Description:
Chapter 6 Random
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user Camskie on FreezingBlue Flashcards. What would you like to do?


  1. Signs and outline lighting systems with incandescent lamp holders shall be marked at least __ mm high, to indicate the maximum allowable wattage of lamps, and shall be located where visible during relamping
    6.00
  2. Branch circuits that supply signs and outline lighting systems containing incandescent and fluorescent forms of illumination shall be rated not to exceed __ amperes
    20
  3. Branch circuits that supply neon tubing installations shall not be rated in excess of __ amperes
    30
  4. Switches, flashers, and similar devices controlling transformers and electronic power supplies shall be rated for controlling inductive loads or have a current rating not less than __ the current rating of the transformer
    twice
  5. Listed flexible metal conduit or listed liquidtight flexible metal conduit that encloses the secondary wiring of a transformer or power supply for use with electric discharge tubing shall be permitted as a bonding means in lengths not exceeding __ m
    30
  6. Small metal parts not exceeding __ mm in any dimension, not likely to be energized, and spaced at least __ mm from neon tubing shall not require bonding
    • 50
    • 19
  7. Where listed nonmetallic conduit is used to enclose the secondary wiring of a transformer or power supply and a bonding conductor is required, the bonding conductor shall be installed separate and remote from the nonmetallic conduit and be spaced at least __ mm from the conduit when the circuit is operated at 100 Hz or less or __ mm when the circuit is operated at over 100 Hz
    • 40
    • 45
  8. Bonding conductors of electric signs and outline lighting shall be copper and not smaller than __ mm2 (__ mm dia.)
    2.0 mm2 (1.6 mm dia.)
  9. The minimum thickness of metal sheet copper or aluminum shall be at least __ mm thick, sheet steel shall be at least __ mm thick used to enclose live parts other than lamps and neon tubing
    • 0.50
    • 0.40
  10. Sign or outline lighting system equipment shall be at least __ mm above areas accessible to vehicles unless protected from physical damage
    4 300
  11. Signs and outline lighting systems shall be installed so that adjacent combustible materials shall not be subjected to temperatures in excess of __ºC
    90
  12. The spacing between wood or other combustible materials and an incandescent or HID lamp or compact fluorescent lamp (CFL) or lampholder shall not be less than __mm
    50
  13. A working space at least __ mm high, __ mm wide, by __ mm deep shall be provided at each ballast, transformer, and electronic power supply or its enclosure where not installed in a sign
    • 900
    • 900
    • 900
  14. Ballasts, transformers, and electronic power supplies shall be permitted to be located in attics and soffits, provided there is an access door at least __ mm by __ mm and a passageway of at least __ mm high by __ mm wide with a suitable permanent walkway at least __ mm wide extending from the point of entry to each component
    • 900
    • 600
    • 900
    • 600
    • 300
  15. Secondary-circuit voltage of transformers and electronic power supplies shall not exceed __ volts, nominal, under any load condition
    15 000
  16. Transformers and electronic power supplies shall have a secondary-circuit current rating of not more than __ mA
    300
  17. Conductors shall be insulated, listed as gas tube sign and ignition cable type GTO, rated for 5, 10, or 15 kV, not smaller than __ mm2 (__ mm dia.) and have a minimum temperature rating of __ºC
    • 0.75 mm2 (1.0 mm dia.)
    • 105
  18. Equipment having an open circuit voltage exceeding __ volts shall not be installed in or on dwelling occupancies
    1 000
  19. A spacing of not less than __ mm shall be maintained between the tubing and the nearest surface, other than its support
    6
  20. The neon tubing and conductor shall be supported not more than __ mm from the electrode connection
    150
  21. Where a bushing or neon tubing penetrates a building, the opening between neon tubing and the bushing shall be __
    sealed
  22. Lighting equipment listed and identified for use with wired partitions, where cord and plug connection is provided, thecord length shall be suitable for the intended application but shall notexceed __ mm in length, the cord shall not be smaller than __ mm2 (__ mm dia.), shall contain an equipment groundingconductor, and shall be of the hard usage type
    • 2 700
    • 0.75 mm2 (1.0 mm dia.)
  23. For one motor, __ percent of motor nameplate full-load ampere rating shall be used
    100
  24. Main contact conductors carried along runways shall be supported on insulating supports placed at intervals not exceeding __ mm
    6 000
  25. Bridge wire contact conductors shall be kept at least __ mm apart, and, where the span exceeds __ m, insulating saddles shall be placed at intervals not exceeding __ m
    • 65
    • 25
    • 15
  26. Hoists and monorail hoists and their trolleys that are not used as part of an overhead traveling crane shall not require individual motor overload protection, provided the largest motor does not exceed __ hp and all motors are under manual control of the operator
  27. Control circuits shall be considered as protected by overcurrent devices that are rated or set at not more than __ percent of the ampacity of the control conductors
    300
  28. Taps to control transformers shall be considered as protected where the secondary circuit is protected by a device rated or set at not more than __ percent of the rated secondary current of the transformer and not more than __ percent of the ampacity of the control circuit conductors
    • 200
    • 200

What would you like to do?

Home > Flashcards > Print Preview