1
NICET LEVEL 3 2025 MOST RECENT UPDATE
QUESTIONS AND VERIFIED ANSWERS CORRECT
ANSWERS GRADE A+
How are lights and luminaires controlled? - (answers)By a PhotoCell Control
and for circuits operating at less than 10 amps, a Photocell switch is used
What are the three types of inspection? - (answers)Initial, Interim and routine
How many times per foot should loop wires be twisted? - (answers)5 twists per
foot
How wide should loops be cut and at what depth? - (answers)5/16th Wide and
1 3/4" deep
what should be installed on loops wires they cross a crack or joint? -
(answers)A plastic sleeve that extends 4" past the joint/crack.
How should spare signal conductors be arraigned inside the box? -
(answers)Spare conductors should be connected to a terminals. unused
What should happen prior and during the installation of loops wires? -
(answers)1. Clean saw cuts and remove debris by means of sandblasting, water
blasting or wire brushing
2. Do not allow vehicles to drive over open cuts
3. Utilized plastic sleeves between joints
How is loop wire required to be placed? - (answers)continuously
, 2
What is placed ontop of continuous loop wires? - (answers)2' long Backer Rod
What is the required wire slack amount left inside of pull box? -
(answers)Minimum of 36"
How long until subjected live load can be applied to anchor bolts? -
(answers)Until concrete meets it required 28 day strength
What type of pattern is recommended when tightening bolts? - (answers)The
Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is looking
for? - (answers)1.Bent or damaged parts
2. damaged coatings
3. Distortions
4. defective fabrication
What elements of a traffic light assembly should be inspected prior to
erection? - (answers)1.Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? - (answers)Light poles and light supports can
be assembled from the ground if they contain a short cantilevered arms.
, 3
What are the inspection types for welds? - (answers)Magnetic Particle testing
(MT) and dye-penetrant (PT) testing or ultrasonic testing
What should be provided if conduit crosses a structural joint? - (answers)Metal
expansion and deflection fittings
What is the dimensions of the copper clad steel rods? - (answers)Rods should
be 5/8th thick and 8' long.
What are the size of micropiles? - (answers)Typically less than 12"
What is the size of driven piles? - (answers)Between 12 and 36"
What is the required surface temperature for painting a bridge? -
(answers)Surface temps must be between 50 and 100 degrees
When painting a bridge, what must be the humidity percentage be? -
(answers)85% or less unless manufactures recommendations say otherwise
When cleaning unsound paint, how far into the intact coat should you be? -
(answers)Extend the prepared area at least 2 inches into adjacent tightly
adhering, intact coating.
When should primer be applied when painting a bridge? - (answers). Only
where paint is removed to bare metal. Otherwise, apply only intermediate and
finish paints
NICET LEVEL 3 2025 MOST RECENT UPDATE
QUESTIONS AND VERIFIED ANSWERS CORRECT
ANSWERS GRADE A+
How are lights and luminaires controlled? - (answers)By a PhotoCell Control
and for circuits operating at less than 10 amps, a Photocell switch is used
What are the three types of inspection? - (answers)Initial, Interim and routine
How many times per foot should loop wires be twisted? - (answers)5 twists per
foot
How wide should loops be cut and at what depth? - (answers)5/16th Wide and
1 3/4" deep
what should be installed on loops wires they cross a crack or joint? -
(answers)A plastic sleeve that extends 4" past the joint/crack.
How should spare signal conductors be arraigned inside the box? -
(answers)Spare conductors should be connected to a terminals. unused
What should happen prior and during the installation of loops wires? -
(answers)1. Clean saw cuts and remove debris by means of sandblasting, water
blasting or wire brushing
2. Do not allow vehicles to drive over open cuts
3. Utilized plastic sleeves between joints
How is loop wire required to be placed? - (answers)continuously
, 2
What is placed ontop of continuous loop wires? - (answers)2' long Backer Rod
What is the required wire slack amount left inside of pull box? -
(answers)Minimum of 36"
How long until subjected live load can be applied to anchor bolts? -
(answers)Until concrete meets it required 28 day strength
What type of pattern is recommended when tightening bolts? - (answers)The
Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is looking
for? - (answers)1.Bent or damaged parts
2. damaged coatings
3. Distortions
4. defective fabrication
What elements of a traffic light assembly should be inspected prior to
erection? - (answers)1.Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? - (answers)Light poles and light supports can
be assembled from the ground if they contain a short cantilevered arms.
, 3
What are the inspection types for welds? - (answers)Magnetic Particle testing
(MT) and dye-penetrant (PT) testing or ultrasonic testing
What should be provided if conduit crosses a structural joint? - (answers)Metal
expansion and deflection fittings
What is the dimensions of the copper clad steel rods? - (answers)Rods should
be 5/8th thick and 8' long.
What are the size of micropiles? - (answers)Typically less than 12"
What is the size of driven piles? - (answers)Between 12 and 36"
What is the required surface temperature for painting a bridge? -
(answers)Surface temps must be between 50 and 100 degrees
When painting a bridge, what must be the humidity percentage be? -
(answers)85% or less unless manufactures recommendations say otherwise
When cleaning unsound paint, how far into the intact coat should you be? -
(answers)Extend the prepared area at least 2 inches into adjacent tightly
adhering, intact coating.
When should primer be applied when painting a bridge? - (answers). Only
where paint is removed to bare metal. Otherwise, apply only intermediate and
finish paints
