NM ES-3 Test Exam (Latest 2026) || Most Recent
Exam 2026|2027 Actual Complete Real Exam
Questions And Correct Answers (Verified
Answers) Already Graded A+ |Guaranteed
Success!! Newest Exam | Just Released!!
What would be the maximum vertical spacing for a
conductor support in a
vertical raceway that has an 18 gauge conductor? -
ANSWER-100 feet
A fire alarm system is required where a visible notification
device is present when the ambient sound is greater than ___?
- ANSWER-105 dBA (NFPA 72
18.4.1.1)
Eight communication cables run in a CMC underground
between 2 24 story buildings what is the maximum distance
between the buildings where lightning protection is NOT
required? - ANSWER-140 feet
When using a phase converter for a fixed load the single phase
conductors must have an ampacity not less than what
percentage of the full load current rating of the motor or other
load being served where the input and output voltages are the
same - ANSWER-250%
,Communication cables shall have a voltage rating of not less
than how many
volts? - ANSWER-300 (NEC
800.179)
What is the minimum voltage rating for type FPL cable when
used in a fire
panel? - ANSWER-300
Volts
What is the maximum allowable output of the class one power
limited circuit? -
ANSWER-1000 Volt
Amps
If a cable is being installed in an area that is above a
suspended ceiling that
contains completely enclosed air ducts what term or
word identifies this
location? - ANSWER-
Accessible
When the system has been completed and tested when are the
alarm strobes, gas, and heat detectors checked? - ANSWER-
Annually (NFPA 72 14.4.5 Table)
In what reference would you find acceptable industry practices
for mechanical
, execution of work performed on optical fiber cables and
raceway - ANSWER-
ANSI/NECA/BICSI/568 -
2001
Any of the following can impact and change the temperature of
conductors and
insulation except for: - ANSWER-Applied voltage to
the conductors
Where must overcurrent devices and non-power-limited fire
alarm circuits be located - ANSWER-At the point where the
conductor to be protected receives its supply
On a beam ceiling where the beams are less than 12 inches in
depth and spacing is less than 96 inches where should the
smoke detectors be mounted?
- ANSWER-Bottom of the beam
Where are splices allowed in conductors in surface metal
raceways if they do
not have removable covers? - ANSWER-Boxes or
Junction Boxes
Which of the following CATV cable wires may be used in a
riser? - ANSWER-
CATV-P or
CARV-R
Exam 2026|2027 Actual Complete Real Exam
Questions And Correct Answers (Verified
Answers) Already Graded A+ |Guaranteed
Success!! Newest Exam | Just Released!!
What would be the maximum vertical spacing for a
conductor support in a
vertical raceway that has an 18 gauge conductor? -
ANSWER-100 feet
A fire alarm system is required where a visible notification
device is present when the ambient sound is greater than ___?
- ANSWER-105 dBA (NFPA 72
18.4.1.1)
Eight communication cables run in a CMC underground
between 2 24 story buildings what is the maximum distance
between the buildings where lightning protection is NOT
required? - ANSWER-140 feet
When using a phase converter for a fixed load the single phase
conductors must have an ampacity not less than what
percentage of the full load current rating of the motor or other
load being served where the input and output voltages are the
same - ANSWER-250%
,Communication cables shall have a voltage rating of not less
than how many
volts? - ANSWER-300 (NEC
800.179)
What is the minimum voltage rating for type FPL cable when
used in a fire
panel? - ANSWER-300
Volts
What is the maximum allowable output of the class one power
limited circuit? -
ANSWER-1000 Volt
Amps
If a cable is being installed in an area that is above a
suspended ceiling that
contains completely enclosed air ducts what term or
word identifies this
location? - ANSWER-
Accessible
When the system has been completed and tested when are the
alarm strobes, gas, and heat detectors checked? - ANSWER-
Annually (NFPA 72 14.4.5 Table)
In what reference would you find acceptable industry practices
for mechanical
, execution of work performed on optical fiber cables and
raceway - ANSWER-
ANSI/NECA/BICSI/568 -
2001
Any of the following can impact and change the temperature of
conductors and
insulation except for: - ANSWER-Applied voltage to
the conductors
Where must overcurrent devices and non-power-limited fire
alarm circuits be located - ANSWER-At the point where the
conductor to be protected receives its supply
On a beam ceiling where the beams are less than 12 inches in
depth and spacing is less than 96 inches where should the
smoke detectors be mounted?
- ANSWER-Bottom of the beam
Where are splices allowed in conductors in surface metal
raceways if they do
not have removable covers? - ANSWER-Boxes or
Junction Boxes
Which of the following CATV cable wires may be used in a
riser? - ANSWER-
CATV-P or
CARV-R
