PSI Journeyman Online Practice
A fitting is a part of a wiring system that is intended primarily to perform
which typecorrect
function? of answers
mechanical
When the disconnecting means of a transformer is located remotely it must
be? correct
answers
lockable
If installed and routed on the outside of a raceway, the length of the
equipment
jumper shallbonding
not exceed how many feet? correct
answers 6 feet
What is an askarel? correct answers a group of nonflammable synthetic
chlorinated
hydrocarbons used as electrical insulating
media
In which locations are the installation of flexible metal conduit
permitted?
answers correct
concealed
locations
Unlisted nonconductive outside plant optical fiber cables shall not be
permittedintowhich
installed be type of raceways? correct answers flexible
metal conduit.
Where the negative polarity of a dc system does not serve as the
connection
the grounded point for
conductor, which color finish can be used to identify
the negative conductor? correct answers
ungrounded
black
Where a feeder supplies continuous loads or any combination of
continuous andloads, the minimum feeder conductor size shall have an
noncontinuous
allowable
ampacity not less than the noncontinuous load plus what percentage of the
load? correct answers
continuous
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
What is the maximum spacing for supports of 10 AWG copper conductors
system operating at how many volts? correct answers 1,000
located
volts or in
vertical a
raceway?
less correct answers
100 feet
What is the maximum overcurrent protection for a 10 AWG copper
conductor?
answers 30 correct
amperes
A circuit breaker does not have an interrupter rating shown on it. What is the
interrupter
rating of this circuit breaker? correct answers 5,000
amperes
, Dry-type transformers rated over which voltage shall be installed in a
vault? correct
answers 35,000
volts
A panelboard for a mobile home shall be rated not less than which of the
following?
correct answers 50
amperes
An electrical appliance is rated at 1,500 watts, and is connected to 120
volts.
the What is associated with this appliance? correct answers
resistance
9.6 ohms
High-impedance grounded neutral systems in which a grounding
impedance
ground faultlimits theto a low value shall be permitted for which type of
current
system? 3-phase
answers correct ac systems of 480 volts to
1,000 volts
Where the positive polarity of a dc system does not serve as the
connectionconductor,
grounded for the which color finish can be used to identify the positive
ungrounded
conductor? correct answers
red
Information technology equipment shall be permitted to be connected to a
branch
by circuit
a power-supply cord with a maximum length of how many feet? correct
answers 15
fee
t
What is the maximum distance that the emergency controls for an attended
self-service
motor fuel dispensing facility shall be located from the dispensers? correct
answers 100
fee
t
What is the greatest root-mean-square (effective) difference of potential
between
two any of a circuit defined as? correct answers
conductors
voltage
A motor controller disconnecting means shall be permitted to be out of
sight of the
controller for motor circuits over how many volts? correct answers 1,000
volts, nominal
The following measurements are taken on a 3-phase load: power used is
11,250
208 watts,
volts applied, and current is 35 amperes per phase leg. What is the
power
the factor
load? of answers
correct
89%
Alternating-current systems of less than 50 volts shall be grounded where
supplied by if the transformer supply system exceeds which of the
transformers,
following?
answers 150correct
volts to
ground
In a fire alarm system, single conductors shall not be smaller than? correct
answers 18
AWG
What is the maximum voltage drop for any branch circuit, separately
derived system,
operating at 120 volts line-to-line and 60 volts to ground, serving sensitive
electronic
equipment? correct answers
1.5%
A fitting is a part of a wiring system that is intended primarily to perform
which typecorrect
function? of answers
mechanical
When the disconnecting means of a transformer is located remotely it must
be? correct
answers
lockable
If installed and routed on the outside of a raceway, the length of the
equipment
jumper shallbonding
not exceed how many feet? correct
answers 6 feet
What is an askarel? correct answers a group of nonflammable synthetic
chlorinated
hydrocarbons used as electrical insulating
media
In which locations are the installation of flexible metal conduit
permitted?
answers correct
concealed
locations
Unlisted nonconductive outside plant optical fiber cables shall not be
permittedintowhich
installed be type of raceways? correct answers flexible
metal conduit.
Where the negative polarity of a dc system does not serve as the
connection
the grounded point for
conductor, which color finish can be used to identify
the negative conductor? correct answers
ungrounded
black
Where a feeder supplies continuous loads or any combination of
continuous andloads, the minimum feeder conductor size shall have an
noncontinuous
allowable
ampacity not less than the noncontinuous load plus what percentage of the
load? correct answers
continuous
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
What is the maximum spacing for supports of 10 AWG copper conductors
system operating at how many volts? correct answers 1,000
located
volts or in
vertical a
raceway?
less correct answers
100 feet
What is the maximum overcurrent protection for a 10 AWG copper
conductor?
answers 30 correct
amperes
A circuit breaker does not have an interrupter rating shown on it. What is the
interrupter
rating of this circuit breaker? correct answers 5,000
amperes
, Dry-type transformers rated over which voltage shall be installed in a
vault? correct
answers 35,000
volts
A panelboard for a mobile home shall be rated not less than which of the
following?
correct answers 50
amperes
An electrical appliance is rated at 1,500 watts, and is connected to 120
volts.
the What is associated with this appliance? correct answers
resistance
9.6 ohms
High-impedance grounded neutral systems in which a grounding
impedance
ground faultlimits theto a low value shall be permitted for which type of
current
system? 3-phase
answers correct ac systems of 480 volts to
1,000 volts
Where the positive polarity of a dc system does not serve as the
connectionconductor,
grounded for the which color finish can be used to identify the positive
ungrounded
conductor? correct answers
red
Information technology equipment shall be permitted to be connected to a
branch
by circuit
a power-supply cord with a maximum length of how many feet? correct
answers 15
fee
t
What is the maximum distance that the emergency controls for an attended
self-service
motor fuel dispensing facility shall be located from the dispensers? correct
answers 100
fee
t
What is the greatest root-mean-square (effective) difference of potential
between
two any of a circuit defined as? correct answers
conductors
voltage
A motor controller disconnecting means shall be permitted to be out of
sight of the
controller for motor circuits over how many volts? correct answers 1,000
volts, nominal
The following measurements are taken on a 3-phase load: power used is
11,250
208 watts,
volts applied, and current is 35 amperes per phase leg. What is the
power
the factor
load? of answers
correct
89%
Alternating-current systems of less than 50 volts shall be grounded where
supplied by if the transformer supply system exceeds which of the
transformers,
following?
answers 150correct
volts to
ground
In a fire alarm system, single conductors shall not be smaller than? correct
answers 18
AWG
What is the maximum voltage drop for any branch circuit, separately
derived system,
operating at 120 volts line-to-line and 60 volts to ground, serving sensitive
electronic
equipment? correct answers
1.5%
