NICET LEVEL 3 STUDY SET EXAM QUESTIONS AND
ANSWERS GRADED A+ 100% VERIFIED.
How are lights and luminaires controlled? ANS >>> 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? ANS >>> Initial, Interim
and routine
How many times per foot should loop wires be twisted? ANS >>> 5
twists per foot
How wide should loops be cut and at what depth? ANS >>> 5/16th
Wide and 1 3/4" deep
what should be installed on loops wires they cross a crack or
joint? ANS >>> A plastic sleeve that extends 4" past the
joint/crack.
,How should spare signal conductors be arraigned inside the
box? ANS >>> Spare conductors should be connected to a
terminal. unused
What should happen prior and during the installation of loops
wires? ANS >>> 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? ANS >>> continuously
What is placed onto of continuous loop wires? ANS >>> 2' long
Backer Rod
What is the required wire slack amount left inside of pull box?
ANS >>> Minimum of 36"
How long until subjected live load can be applied to anchor
bolts? ANS >>> Until concrete meets it required 28-day strength
, What type of pattern is recommended when tightening bolts?
ANS >>> The Star Pattern
Prior to erection of traffic lights, what are the elements an
inspector is looking for? ANS >>> 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? ANS >>> 1. Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? ANS >>> Light poles and light
supports can be assembled from the ground if they contain a
short-cantilevered arms.
What are the inspection types for welds? ANS >>> Magnetic
Particle testing (MT) and dye-penetrant (PT) testing or
ultrasonic testing
ANSWERS GRADED A+ 100% VERIFIED.
How are lights and luminaires controlled? ANS >>> 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? ANS >>> Initial, Interim
and routine
How many times per foot should loop wires be twisted? ANS >>> 5
twists per foot
How wide should loops be cut and at what depth? ANS >>> 5/16th
Wide and 1 3/4" deep
what should be installed on loops wires they cross a crack or
joint? ANS >>> A plastic sleeve that extends 4" past the
joint/crack.
,How should spare signal conductors be arraigned inside the
box? ANS >>> Spare conductors should be connected to a
terminal. unused
What should happen prior and during the installation of loops
wires? ANS >>> 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? ANS >>> continuously
What is placed onto of continuous loop wires? ANS >>> 2' long
Backer Rod
What is the required wire slack amount left inside of pull box?
ANS >>> Minimum of 36"
How long until subjected live load can be applied to anchor
bolts? ANS >>> Until concrete meets it required 28-day strength
, What type of pattern is recommended when tightening bolts?
ANS >>> The Star Pattern
Prior to erection of traffic lights, what are the elements an
inspector is looking for? ANS >>> 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? ANS >>> 1. Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? ANS >>> Light poles and light
supports can be assembled from the ground if they contain a
short-cantilevered arms.
What are the inspection types for welds? ANS >>> Magnetic
Particle testing (MT) and dye-penetrant (PT) testing or
ultrasonic testing
