Washington 06(Limited Energy) Nec & Theory

61 Questions | Attempts: 163
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Thank you for taking Vivint's- Washington 06 Limited Energy Practice test- You must score 70% on this to pass the exam. You have 2 hours from when you begin. Use this to help you navigate the NEC and get a feel for what the actual exam will be like.


Questions and Answers
  • 1. 
    According to Ohm’s law, if I = 6 amps and R = 2 Ohms, then E = __________ Volts?
    • A. 

      12

    • B. 

      3

    • C. 

      120

    • D. 

      4

  • 2. 
    Audio system circuits using Class 2 or Class 3 wiring methods shall not be permitted to be installed in the same cable or raceway with _____________?
    • A. 

      Power-limited fire alarm conductors or cable

    • B. 

      Other audio system circuits

    • C. 

      A or B

    • D. 

      None of these

  • 3. 
    Optical fiber plenum cables listed as suitable for use in space used for environmental air includes types ________ ?
    • A. 

      OFNG AND OFCG

    • B. 

      OFNP AND OFCP

    • C. 

      OFNG AND OFCG

    • D. 

      OFN AND OFC

  • 4. 
    For non-power limited fire alarm circuits, an 18 AWG conductor shall be considered protected if the over-current device protecting the circuit is not over _______?
    • A. 

      7A

    • B. 

      10A

    • C. 

      15A

    • D. 

      20A

  • 5. 
    The branch circuit supplying the fire alarm equipment shall supply __________?
    • A. 

      Ground fault protection

    • B. 

      No other loads

    • C. 

      Conductive connection

    • D. 

      Backup power

  • 6. 
    Non-power-limited fire alarm circuits and  __________ circuits shall be permitted to occupy the same cable, enclosure or raceway without regard to whether the individual circuits are AC or DC?
    • A. 

      Class 1

    • B. 

      Class 3

    • C. 

      Class 1 & 2

    • D. 

      Any of the above

  • 7. 
    Underground communications wires and cables in a raceway, handhole enclosure, or manhole containing electric light, power, Class 1, or NPLFA circuit conductors shall be in a section separated from such conductors by means of _______?
    • A. 

      Brick

    • B. 

      Tile

    • C. 

      Concrete

    • D. 

      Any of the above

  • 8. 
    Coaxial cables shall have a vertical clearance of not less than __________ from all points of roofs above which they pass?
    • A. 

      6 inches

    • B. 

      18 inches

    • C. 

      8 feet

    • D. 

      18 feet

  • 9. 
    Communications wires and cables shall be separated at least _____________ from electric light and power conductors not in a raceway or cable.
    • A. 

      2 inches

    • B. 

      4 inches

    • C. 

      6 inches

    • D. 

      6 feet

  • 10. 
    Communication __________ cables shall be listed as being suitable for use in a vertical run in a shaft, or from floor to floor, and shall also be listed as having fire- resistant characteristics capable of preventing the carrying of fire from floor to floor.
    • A. 

      General purpose

    • B. 

      Plenum

    • C. 

      Riser

    • D. 

      None of these

  • 11. 
    Fire Alarm cables identified for future use shall be marked with a tag of sufficient durability to withstand the __________?
    • A. 

      Moisture

    • B. 

      Humidity

    • C. 

      Environment involved

    • D. 

      None of these

  • 12. 
    Single conductors for a PLFA circuit shall not be smaller than __________?
    • A. 

      12 AWG

    • B. 

      16 AWG

    • C. 

      18 AWG

    • D. 

      22 AWG

  • 13. 
    Communications wires and cables shall have a temperature rating of not less than _________?  
    • A. 

      600 degrees Fahrenheit

    • B. 

      60 degrees Fahrenheit

    • C. 

      60 degrees Celsius

    • D. 

      32 degrees Fahrenheit

  • 14. 
    General Use communications cables will be marked as __________?
    • A. 

      CM

    • B. 

      CMX

    • C. 

      CMG

    • D. 

      A and C

  • 15. 
    Non-current-carrying conductive members of ______ shall be bonded to a grounded equipment rack or enclosure.
    • A. 

      Optical fiber cables

    • B. 

      NPLFA conductors

    • C. 

      CAT5E cables

    • D. 

      Low voltage alarm equipment

  • 16. 
    The accessible portion of abandoned coaxial cable shall be __________?
    • A. 

      Removed

    • B. 

      Replaced

    • C. 

      Tagged for future use

    • D. 

      Bundled and secured

  • 17. 
    An optical fiber application requires OFCR cabling but you are out.  What listed cable(s) can be substituted?
    • A. 

      OFNP

    • B. 

      OFNR

    • C. 

      OFCP

    • D. 

      Any of the above

  • 18. 
    You are installing a medium-powered broadband network.  What cable type do you need for the outdoor, underground run?
    • A. 

      BMU

    • B. 

      BLX

    • C. 

      BLU

    • D. 

      Cat5E

  • 19. 
    Where practical, lightning conductors shall be separated by at least __________ between communication wires and cables on buildings?
    • A. 

      4 inches

    • B. 

      6 ft

    • C. 

      6 inches

    • D. 

      2 ft

  • 20. 
    For an NPLFA circuit the conductor shall be __________?
    • A. 

      Cat5E cable

    • B. 

      Stranded aluminum

    • C. 

      Solid or stranded copper

    • D. 

      Solid aluminum

  • 21. 
    A conductive optical fiber cable is going to be used to run between multiple floors.   What type of cable shall it be listed as? (Cable substitutions do not apply)
    • A. 

      OFC

    • B. 

      OFCR

    • C. 

      OFCG

    • D. 

      OFCP

  • 22. 
    A _________location may be temporarily subject to dampness and wetness?
    • A. 

      Dry

    • B. 

      Damp

    • C. 

      Moist

    • D. 

      Wet

  • 23. 
    An arrestor connected between each line conductor and ground, a fuse in series with each line conductor, and an appropriate mounting arrangement is called?
    • A. 

      Bonding

    • B. 

      Bonding conductor

    • C. 

      Fused primary protector

    • D. 

      Fuseless primary protector

  • 24. 
    Communications wires and cables shall be separated  by at least __________ inches from electric light or power conductors not in a raceway or cable?
    • A. 

      12 inches

    • B. 

      1 foot

    • C. 

      4 inches

    • D. 

      8 inches

  • 25. 
    Insulation on NPLFA conductors shall be rated for __________?
    • A. 

      120 Volts

    • B. 

      240 Volts

    • C. 

      360 Volts

    • D. 

      600 Volts

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