Washington 06(Limited Energy) Nec & Theory
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.
- 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
Questions: 34 | Attempts: 303 | Last updated: Mar 20, 2022
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