Test Questions All Solved Correct
2026 Updated.
A fitting is a part of a wiring system that is intended primarily to perform which type of
function? - Answer mechanical
When the disconnecting means of a transformer is located remotely it must be? - Answer
lockable
If installed and routed on the outside of a raceway, the length of the equipment bonding jumper
shall not exceed how many feet? - Answer 6 feet
What is an askarel? - Answer a group of nonflammable synthetic chlorinated hydrocarbons
used as electrical insulating media
In which locations are the installation of flexible metal conduit permitted? - Answer
concealed locations
Unlisted nonconductive outside plant optical fiber cables shall not be permitted to be installed
in which type of raceways? - Answer flexible metal conduit.
Where the negative polarity of a dc system does not serve as the connection point for the
grounded conductor, which color finish can be used to identify the negative ungrounded
conductor? - Answer black
Where a feeder supplies continuous loads or any combination of continuous and noncontinuous
loads, the minimum feeder conductor size shall have an allowable ampacity not less than the
noncontinuous load plus what percentage of the continuous load? - Answer 125%
Where an ac system is grounded at any point, the grounded conductors shall be routed with the
ungrounded conductors to each service disconnecting means and shall be connected to each
disconnecting means grounded conductors terminal or bus for an ac system operating at how
many volts? - Answer 1,000 volts or less
, What is the maximum overcurrent protection for a 10 AWG copper conductor? - Answer 30
amperes
A circuit breaker does not have an interrupter rating shown on it. What is the interrupter rating
of this circuit breaker? - Answer 5,000 amperes
Dry-type transformers rated over which voltage shall be installed in a vault? - Answer 35,000
volts
A panelboard for a mobile home shall be rated not less than which of the following? - Answer
50 amperes
An electrical appliance is rated at 1,500 watts, and is connected to 120 volts. What is the
resistance associated with this appliance? - Answer 9.6 ohms
High-impedance grounded neutral systems in which a grounding impedance limits the ground
fault current to a low value shall be permitted for which type of system? - Answer 3-phase ac
systems of 480 volts to 1,000 volts
Where the positive polarity of a dc system does not serve as the connection for the grounded
conductor, which color finish can be used to identify the positive ungrounded conductor? -
Answer red
Information technology equipment shall be permitted to be connected to a branch circuit by a
power-supply cord with a maximum length of how many feet? - Answer 15 feet
What is the maximum distance that the emergency controls for an attended self-service motor
fuel dispensing facility shall be located from the dispensers? - Answer 100 feet
What is the greatest root-mean-square (effective) difference of potential between any two
conductors of a circuit defined as? - Answer voltage
A motor controller disconnecting means shall be permitted to be out of sight of the controller
for motor circuits over how many volts? - Answer 1,000 volts, nominal