ISMA TRAFFIC SIGNAL TECHNICIAN I EXAM
VERSION A 2025/2026 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|NEWEST|BRAND NEW
VERSION!!|GUARANTEED PASS
Traffic signal supports that typically require some type of foundation include:
mast arm poles, steel strain poles, trusses, monotones, pedestal poles for vehicular signals, and
pedestrian signal pedestals.
What NEMA TS-2 configuration has no downwards compatibility?
type 1
An electro-mechanical controller has a:
motor that rotates the mechanism.
Emergency responders have two type to signal activation which are:
manual and optical or acoustic activation.
Cabinet power panels have a series of ___________ that protect the electronic equipment
inside the controller cabinet against current overload.
Circuit breakers
Flasher units flash at a rate of:
no less than 50 and no more than 60 per minute
a difference between NEMA cabinets and 170 cabinets is NEMA cabinets
require connection with harnesses pre-wired into the cabinet.
1|Page
, Controller cabinets can perform functions such as
changing the signal indications, collecting and analyzing vehicle could and communicating with
other contorllers
Which type of transmitter transmits low energy microwave radiation at a detection zone?
Doppler microwave radars detectors
a disadvantage of video detection systems is:
may involve a higher initial installation cost
What activates a signal loop?
decrease in inductance
Loop detector installed in. double rectangle is called a
quadrupole
what drives energy through the loop detector?
loop amplifier
a metallic pull box lid must be
bonded to a grounding source
cable coiled in a pull box is called
slack cable.
pull boxes should have some type of
drainage capability
visibility limited displays appear dark to to drivers unless drivers are:
within the are programmed by the technician.
another word for break away base:
frangible base
A wire that is attache to the bottoms of the signal heads to prohibit excessive movement or
spinning of the traffic signals on the support wire
tether wire
where copper cables are terminated in local controller cabinets
2|Page
VERSION A 2025/2026 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|NEWEST|BRAND NEW
VERSION!!|GUARANTEED PASS
Traffic signal supports that typically require some type of foundation include:
mast arm poles, steel strain poles, trusses, monotones, pedestal poles for vehicular signals, and
pedestrian signal pedestals.
What NEMA TS-2 configuration has no downwards compatibility?
type 1
An electro-mechanical controller has a:
motor that rotates the mechanism.
Emergency responders have two type to signal activation which are:
manual and optical or acoustic activation.
Cabinet power panels have a series of ___________ that protect the electronic equipment
inside the controller cabinet against current overload.
Circuit breakers
Flasher units flash at a rate of:
no less than 50 and no more than 60 per minute
a difference between NEMA cabinets and 170 cabinets is NEMA cabinets
require connection with harnesses pre-wired into the cabinet.
1|Page
, Controller cabinets can perform functions such as
changing the signal indications, collecting and analyzing vehicle could and communicating with
other contorllers
Which type of transmitter transmits low energy microwave radiation at a detection zone?
Doppler microwave radars detectors
a disadvantage of video detection systems is:
may involve a higher initial installation cost
What activates a signal loop?
decrease in inductance
Loop detector installed in. double rectangle is called a
quadrupole
what drives energy through the loop detector?
loop amplifier
a metallic pull box lid must be
bonded to a grounding source
cable coiled in a pull box is called
slack cable.
pull boxes should have some type of
drainage capability
visibility limited displays appear dark to to drivers unless drivers are:
within the are programmed by the technician.
another word for break away base:
frangible base
A wire that is attache to the bottoms of the signal heads to prohibit excessive movement or
spinning of the traffic signals on the support wire
tether wire
where copper cables are terminated in local controller cabinets
2|Page
