1. A fitting is a part of a wiring system that is intended mechanical
primarily to perform which type of function?
2. When the disconnecting means of a transformer is lockable
located remotely it must be?
3. If installed and routed on the outside of a raceway, 6 feet
the length of the equipment bonding jumper shall not
exceed how many feet?
4. What is an askarel? a group of nonflammable
synthetic chlorinated hy-
drocarbons used as elec-
trical insulating media
5. In which locations are the installation of flexible metal concealed locations
conduit permitted?
6. Unlisted nonconductive outside plant optical fiber ca- flexible metal conduit.
bles shall not be permitted to be installed in which
type of raceways?
7. Where the negative polarity of a dc system does not black
serve as the connection point for the grounded con-
ductor, which color finish can be used to identify the
negative ungrounded conductor?
8. Where a feeder supplies continuous loads or any com- 125%
bination of continuous and noncontinuous loads, the
minimum feeder conductor size shall have an allow-
able ampacity not less than the noncontinuous load
,plus what percentage of the continuous load?
, 9. Where an ac system is grounded at any point, the 1,000 volts or less
grounded conductors shall be routed with the un-
grounded 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?
10. What is the maximum spacing for supports of 10 AWG 100 feet
copper conductors located in a vertical raceway?
11. What is the maximum overcurrent protection for a 10 30 amperes
AWG copper conductor?
12. A circuit breaker does not have an interrupter rating 5,000 amperes
shown on it. What is the interrupter rating of this
circuit breaker?
13. Dry-type transformers rated over which voltage shall 35,000 volts
be installed in a vault?
14. A panelboard for a mobile home shall be rated not less 50 amperes
than which of the following?
15. An electrical appliance is rated at 1,500 watts, and is 9.6 ohms
connected to 120 volts. What is the resistance associ-
ated with this appliance?
16. High-impedance grounded neutral systems in which a 3-phase ac systems of 480
grounding impedance limits the ground fault current
17. Where the
to a low value shall be permitted for which type of
positive
system?
primarily to perform which type of function?
2. When the disconnecting means of a transformer is lockable
located remotely it must be?
3. If installed and routed on the outside of a raceway, 6 feet
the length of the equipment bonding jumper shall not
exceed how many feet?
4. What is an askarel? a group of nonflammable
synthetic chlorinated hy-
drocarbons used as elec-
trical insulating media
5. In which locations are the installation of flexible metal concealed locations
conduit permitted?
6. Unlisted nonconductive outside plant optical fiber ca- flexible metal conduit.
bles shall not be permitted to be installed in which
type of raceways?
7. Where the negative polarity of a dc system does not black
serve as the connection point for the grounded con-
ductor, which color finish can be used to identify the
negative ungrounded conductor?
8. Where a feeder supplies continuous loads or any com- 125%
bination of continuous and noncontinuous loads, the
minimum feeder conductor size shall have an allow-
able ampacity not less than the noncontinuous load
,plus what percentage of the continuous load?
, 9. Where an ac system is grounded at any point, the 1,000 volts or less
grounded conductors shall be routed with the un-
grounded 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?
10. What is the maximum spacing for supports of 10 AWG 100 feet
copper conductors located in a vertical raceway?
11. What is the maximum overcurrent protection for a 10 30 amperes
AWG copper conductor?
12. A circuit breaker does not have an interrupter rating 5,000 amperes
shown on it. What is the interrupter rating of this
circuit breaker?
13. Dry-type transformers rated over which voltage shall 35,000 volts
be installed in a vault?
14. A panelboard for a mobile home shall be rated not less 50 amperes
than which of the following?
15. An electrical appliance is rated at 1,500 watts, and is 9.6 ohms
connected to 120 volts. What is the resistance associ-
ated with this appliance?
16. High-impedance grounded neutral systems in which a 3-phase ac systems of 480
grounding impedance limits the ground fault current
17. Where the
to a low value shall be permitted for which type of
positive
system?
