IEC Final Exam Study Guide EXAM Complete Questions And
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The maximum length limitation for RG-59 cable is ___ feet.
ANSWERS: 750 feet
When the EMT is used as the EGC for a circuit, its length has no effect on the
opening time of the circuit breaker protecting the circuit.
ANSWERS: false
Article ___ in the NEC® provides requirements for the installation of refrigeration
equipment.
ANSWERS: 440
Select (as required) the NEMA or industry standard symbol for an NCTO set of
timing relay contacts.
ANSWERS: c
,Where the symbol is used in a diagram, the contacts would ___ if the monitored
material (movement, liquid, air, pressure, etc.) increased above this setting.
ANSWERS: close
Refer to the nameplate and information shown in Figure 230.242. When this motor
is
running normally at rated voltage, it is pulling ___ A of current through each
pole of the circuit breaker.
ANSWERS: 9.6
Type MC cable containing an insulated EGC ___ permitted to be used within
patient care areas.
ANSWERS: is not
Which of the pushbutton operators below would be best suited for an
emergency shutdown of a computer room where the switch is located next to
the principal exit door?
ANSWERS: Extended button under a hinged cover
Which of the following three-phase electrical distribution systems is grounded?
ANSWERS: One and two only
, For a motor branch circuit, the EGC can be ___ than that required by NEC® Table
250.122.
ANSWERS: Smaller or larger
HVAC is an abbreviation for ___.
ANSWERS: Heating/Ventilating/Air-Conditioning
Which of the following could be used as the GEC from the service equipment
to building steel?
ANSWERS: one two and three
Correct rotation of a 3-phase motor will always be achieved if AØ is connected
to T1, BØ is connected to T2, and CØ is connected to T3.
ANSWERS: false
Supplemental equipment grounding conductors are required to be used with
wiring methods listed in NEC® 250.118 when ___.
ANSWERS: specified by the circuit designer
A single-phase AC motor consists of a start winding and a run winding.
ANSWERS: true
Correct Answers (Verified Answers) Already
Graded A+ || Guaranteed Success!! Newest Exam |
Just Released!!
The maximum length limitation for RG-59 cable is ___ feet.
ANSWERS: 750 feet
When the EMT is used as the EGC for a circuit, its length has no effect on the
opening time of the circuit breaker protecting the circuit.
ANSWERS: false
Article ___ in the NEC® provides requirements for the installation of refrigeration
equipment.
ANSWERS: 440
Select (as required) the NEMA or industry standard symbol for an NCTO set of
timing relay contacts.
ANSWERS: c
,Where the symbol is used in a diagram, the contacts would ___ if the monitored
material (movement, liquid, air, pressure, etc.) increased above this setting.
ANSWERS: close
Refer to the nameplate and information shown in Figure 230.242. When this motor
is
running normally at rated voltage, it is pulling ___ A of current through each
pole of the circuit breaker.
ANSWERS: 9.6
Type MC cable containing an insulated EGC ___ permitted to be used within
patient care areas.
ANSWERS: is not
Which of the pushbutton operators below would be best suited for an
emergency shutdown of a computer room where the switch is located next to
the principal exit door?
ANSWERS: Extended button under a hinged cover
Which of the following three-phase electrical distribution systems is grounded?
ANSWERS: One and two only
, For a motor branch circuit, the EGC can be ___ than that required by NEC® Table
250.122.
ANSWERS: Smaller or larger
HVAC is an abbreviation for ___.
ANSWERS: Heating/Ventilating/Air-Conditioning
Which of the following could be used as the GEC from the service equipment
to building steel?
ANSWERS: one two and three
Correct rotation of a 3-phase motor will always be achieved if AØ is connected
to T1, BØ is connected to T2, and CØ is connected to T3.
ANSWERS: false
Supplemental equipment grounding conductors are required to be used with
wiring methods listed in NEC® 250.118 when ___.
ANSWERS: specified by the circuit designer
A single-phase AC motor consists of a start winding and a run winding.
ANSWERS: true
