Practice test PSI/ 216 Qs with Certified Ans/ . Terms like:
The service disconnecting means may be installed in all of the following EXCEPT - Answer: the bathroom.
What is the minimum size EMT conduit required for three 14 AWG, six 12 AWG, and three 8 AWG conductors? All wires are THHN solid...
Practice test PSI/ 216 Qs with Certified Ans/
2024-2025.
The service disconnecting means may be installed in all of the following EXCEPT -
Answer: the bathroom.
What is the minimum size EMT conduit required for three 14 AWG, six 12 AWG,
and three 8 AWG conductors? All wires are THHN solid wire. - Answer: 1 inch
Overcurrent protection for feeder’s branch circuits supplying electric vehicle
supply equipment shall be sized for continuous duty and shall have a rating of not
less than what percentage of the maximum load of the electric vehicle supply
equipment? - Answer: 125%
Page 1 of 31
,A continuous load is a load where the maximum current is expected to continue
for at least how long? - Answer: 3 hours
The ampacity of the conductors from the generator terminals to the first
distribution device(s) containing overcurrent protection shall not be less than
what percentage of the nameplate current rating? - Answer: 115%
ENT shall not be - Answer: threaded.
A panelboard for a mobile home shall be rated not less than which of the
following? - Answer: 50 amperes
Disregarding exceptions, liquidtight flexible metal conduit shall be supported and
secured at intervals not to exceed - Answer: 4 1/2 feet.
What is the maximum weight of a luminaire that can be supported by the screw
shell of a lampholder? - Answer: 6 pounds
Disregarding exceptions, what is the minimum size copper-clad aluminum
underground service conductor permitted? - Answer: 6 AwG
The base of a 24-foot non-self-supporting ladder shall be placed approximately
how far from the vertical structure upon which is leaning? - Answer: 6 feet
Page 2 of 31
,Alternating-current systems of less than 50 volts shall be grounded where
supplied by transformers, if the transformer supply system exceeds which of the
following? - Answer: 150 volts to ground
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
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
One horsepower is equal to how many watts? - Answer: 746
The conductors, including splices and taps, shall not fill the wireway to more than
what percentage of its area? - Answer: 75%
outlet for a 12 AWG conductor with a listed outlet branch-circuit type arc-fault
circuit interrupter installed at the first outlet What is the maximum permitted
length of the branch-circuit wiring from the branch-circuit overcurrent device to
the first box? - Answer: 70 feet
Which type of surge protection device is permanently connected and intended for
installation between the secondary of the service transformer and the line side of
the service disconnect overcurrent device? - Answer: Type 1
Page 3 of 31
, What is the power of a 4-ohm resistive load connected to a 120-volt power
supply? - Answer: 120v/4ohm=3OA 30X120V= 3600w
Approximately how many kilowatts are used by a three-phase, 480- voit ac motor
that draws a current of 52 amperes and has a power factor rating of 88 % -
Answer: 480v x 52a x 1.735= 43180W x .88= 38000w
What is the greatest root-mean-square (effective) difference of potential between
any two conductors of a circuit defined as? - Answer: voltage
A resistor has the following colored bands (in order): orange, red, brown, silver.
What is the resistor value? - Answer: 320 Ohms (10% tolerance)
What is the formula for calculating power (watts)? - Answer: R x I 2
One horsepower is equal to how many watts? - Answer: 746
A continuous load is a load where the maximum current is expected to continue
for at least how long? - Answer: 3 hours
For other than a totally enclosed switchboard or switchgear, what is the minimum
amount of space that shall be provided between the top of the unshielded
switchboard or switchgear and any combustible ceiling? - Answer: 36"
Page 4 of 31
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