NM ES3J - DETAILED QUESTIONS AND
ANSWERS LATEST 2025-2026 EXAM UPDATE
On the centerline of a doorway - Answer-Given: a smoke detection
system is being installed to automatically close a double doorway in
response to smoke blowing in either direction, the ceiling is smooth.
Where must the smoke detector be installed?
Bottom of the beam - Answer-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?
Safe Electrical Installation - Answer-The purpose of NEC is to provide?
Boxes or Junction Boxes - Answer-Where are splices allowed in
conductors in surface metal raceways if they do not have removable
covers?
UF (NEC 340.10) - Answer-What type of wire is used for common
direct burial?
2
NFPA 72 24.4.1.2.1 - Answer-On a voice alarm system what is the
minimum number of cycles it has to report an evacuation procedure?
, Heat Detector - Answer-What is the detector that is mounted on the
ceiling or wall that reacts to convected thermal reaction?
Proprietary System - Answer-What is a privately owned and monitored
alarm system classified as?
Annually (NFPA 72 14.4.5 Table) - Answer-When the system has been
completed and tested when are the alarm strobes, gas, and heat detectors
checked?
Combination System - Answer-Components that are non-fire alarm and
connected com only to fire alarm components are considered what type
of system?
105 dBA
NFPA 72 18.4.1.1 - Answer-A fire alarm system is required where a
visible notification device is present when the ambient sound is greater
than ___?
15 Seconds (NFPA 72 23.8.1.3.1.1) - Answer-What is the maximum
interval the fire alarm signal is allowed at the consul?
Fiber
(72 14.4.2.2 14 G Table) - Answer-All of the following are acceptable
means of testing a smoke detector except
ANSWERS LATEST 2025-2026 EXAM UPDATE
On the centerline of a doorway - Answer-Given: a smoke detection
system is being installed to automatically close a double doorway in
response to smoke blowing in either direction, the ceiling is smooth.
Where must the smoke detector be installed?
Bottom of the beam - Answer-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?
Safe Electrical Installation - Answer-The purpose of NEC is to provide?
Boxes or Junction Boxes - Answer-Where are splices allowed in
conductors in surface metal raceways if they do not have removable
covers?
UF (NEC 340.10) - Answer-What type of wire is used for common
direct burial?
2
NFPA 72 24.4.1.2.1 - Answer-On a voice alarm system what is the
minimum number of cycles it has to report an evacuation procedure?
, Heat Detector - Answer-What is the detector that is mounted on the
ceiling or wall that reacts to convected thermal reaction?
Proprietary System - Answer-What is a privately owned and monitored
alarm system classified as?
Annually (NFPA 72 14.4.5 Table) - Answer-When the system has been
completed and tested when are the alarm strobes, gas, and heat detectors
checked?
Combination System - Answer-Components that are non-fire alarm and
connected com only to fire alarm components are considered what type
of system?
105 dBA
NFPA 72 18.4.1.1 - Answer-A fire alarm system is required where a
visible notification device is present when the ambient sound is greater
than ___?
15 Seconds (NFPA 72 23.8.1.3.1.1) - Answer-What is the maximum
interval the fire alarm signal is allowed at the consul?
Fiber
(72 14.4.2.2 14 G Table) - Answer-All of the following are acceptable
means of testing a smoke detector except