Open Book 1

Card Set Information

Author:
romelle
ID:
306267
Filename:
Open Book 1
Updated:
2015-08-11 05:10:19
Tags:
Open Book
Folders:
Open Book 1
Description:
Open Book 1
Show Answers:

Home > Flashcards > Print Preview

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


  1. The terminal block for the termination of flat cable assemblies shall have distinctive and durable marking for color or word coding. The grounded conductor section shall have a white marking or other suitable designation. The next adjacent section of the terminal block shall have a ____ marking.


    a.Black
    b.Blue
    c.Red
    d.Green
    a.Black
  2. In an elevator machine room, at least ____ receptacle(s) shall be installed.

    a.One duplex
    b.Two duplex
    c.One duplex
    d.Two receptacles, opposite walls
    a.One duplex
  3. For signaling circuits not exceeding 24volts, the current required shall not exceed ____ ampere where protected by an overcurrent device or an inherently limited power source.

    a.1
    b.4
    c.6
    d.10
    a.1
  4. All metal surfaces that are within 5 feet of the inside walls of a spa or got tub and not separated from the spa or hot tub area by a permanent barrier shall be bonded together except ____. I. Drain fitting attached to metal piping II. Metal fittings attached to the spa or hot tub structure III. Towel bars

    a.I only
    b.II only
    c.III only
    d.I, II and III
    c.III only
  5. The power conductors in type NMS cable are manufactured in sizes ____.

    a.#14-#6
    b.#14-#4
    c.#14-#2
    d.#12-#2
    c.#14-#2
  6. A/an ____ is a unitized segment of an industrial wiring system in which orderly shutdown is necessary to insure safe operation.

    a.Emergency standby electrical system

    b.Selective load pick-up electrical system

    c.Critical branch electrical system

    d.Integrated electrical system
    d.Integrated electrical system
  7. A 20 amp branch circuit is installed to supply receptacles for stage set lighting. The receptacles connected to this circuit shall have a minimum rating of ____ amperes.

    a.15
    b.20
    c.25
    d.15 or 20
    b.20
  8. The alternate power source for a dentist office is required to carry the connected load for a minimum of ____ hours.

    a.3
    b.2
    c.1 ½
    d.As long as possible
    c.1 ½
  9. Taps to individual motors on an irrigation machine branch circuit supplying three 2 hp motors, 3 phase, 460v, shall have a minimum size of at least ____ copper.

    a.#8
    b.#10
    c.#12
    d.#14
    d.#14
  10. ____ are typically used as enclosures for splicing or terminating telephone cables. I. Splice cases II. Terminal boxes III. Octagonal boxes

    a.I only
    b.II and III only
    c.I and II only
    d.None of these
    c.I and II only
  11. The cord exposed usable length shall be measured from the point of entrance to the park trailer or the face of the flanged surface inlet(motor base attachment plug) to the face of the attachment plug at the supply end. The maximum length shall not exceed ____ feet.

    a.23
    b.28
    c.32 ½
    d.36 ½
    d.36 ½
  12. An assembly that has concealed parts from process of manufacturing, and cannot be inspected before being installed at a building site without disassembly, damage, or destruction, is a definition of ____.

    a.Enclosed
    b.Guarded
    c.Closed construction
    d.Inaccessible
    c.Closed construction
  13. A park trailer is intended to be for ____. I. Seasonal use II. A temporary office III. A permanent dwelling

    a.I only
    b.II only
    c.III only
    d.I, II or III
    a.I only
  14. For a motor an instantaneous trip circuit breaker shall be used any if ____ and if part of a listed combination motor controller having coordinated motor overload and short circuit and ground fault protection.

    a.Permitted by the local jurisdiction
    b.Available
    c.Adjustable
    d.Damping equipped
    c.Adjustable
  15. ____ electrical equipment in closures shall be permitted where a natural draft ventilation system prevents the accumulation of gases at cell lines.

    a.Rear accessible
    b.Isolating type
    c.General purpose
    d.Flush mounted
    c.General purpose
  16. Transformer ventilation shall be ____ to dispose of full loaf losses.

    a.Sufficient
    b.Rated
    c.Adequate
    d.Derived
    c.Adequate
  17. In a swimming pool, electric equipment that depends on submersion for sage operation shall be protected against overheating by a/an ____.

    a.Toggle switch
    b.Thermal overload
    c.In line fuse
    d.Low water cut off
    d.Low water cut off
  18. For over 600v busways having sections located both inside and outside of buildings shall have a ____ at the building wall.

    a.Vapor seal
    b.Fire barrier
    c.Condulet
    d.Ventilated enclosure
    a.Vapor seal
  19. The temperature rating associated with the ampacity of a conductor shall be so selected and coordinated as to not exceed the ____ temperature rating of any connected termination, conductor, or device. I. Lowest II. Highest III. Ambient

    a.I only
    b.II only
    c.II and III only
    d.I, II or III
    a.I only
  20. In Class II locations ____ dust may dehydrate or carbonize making them even more dangerous.

    a.Plastic
    b.Coal
    c.Organic
    d.Metallic
    c.Organic

What would you like to do?

Home > Flashcards > Print Preview