IMSA Traffic Signal Tech 1 Study Guide
2024-2025
Describe the significance of Garrett Morgans contribution to traffic signal development
and how it impacted modern traffic systems - answer Developed a three-position traffic
signal adding a 'warning' phase to reduce collisions.
"What are the two key purposes of traffic signal systems?" - answer Traffic regulation
and flow optimization
OSHA stands for what? - answer Occupational Safety and Health Administration
SDS sheets provide what type of information? - answer safety data sheets for chemicals
Which of the following is NOT considered part of the PPE for a Traffic Signal
Technician? - answer Sneakers
What is the maximum AC voltage that Class 0 electrical gloves can handle? -
answer1,000 volts
What is the minimum OSHA-mandate clearance from overhead power lines? -
answer10 feet
Which organization is responsible for publishing the National Electrical Code (NEC) -
answerNFPA
In Ohm's Law, what does the formula E = I x R represents? - answerVoltage = Current x
Resistance
Which of the following is NOT a type of traffic signal warrant as per MUTCD -
answerVehicle Age
What is the primary purpose of "fully-actuated" traffic signal? - answerTo respond to
real-time traffic demands
How often is it recommended for a Conflict Monitor Unit (CMU) to be tested and
recertified? - answerEvery Year
In electrical terms, what does `current 'refer to? - answerWater Flow
The NEC handbook is published by? - answerthe National Fire Protection Association,
which is responsible for developing and updating the NEC
, Which document determines the hierarchy of utilities on a utility pole? - answerNESC
Part four of the __________ determines all the guidance for traffic signals -
answerMUTCD
What does OSHA stand for? - answerOccupational Safety and Health Administration
Who published the NEC? - answerNFPA
Legal Liability : Negligence - answerfailure to exercise a reasonable standard of care
expected under the circumstances, leading to an increased risk of accidents and harms.
Tort Liability - answerThis would be a non-criminal act or failure to act by one party that
leads to harm or damages to another party
what would be failure to use exact care in one's actions? - answerNegligence
A technician was sent out to an intersection to replace a broken traffic signal head.
When he arrived on the scene, he realizes he does not have the proper hardware to
reinstall the fixture. He only secures the fixture with two screws and leaves for the
evening and forgets to come back to complete the repair. The fixture falls on a car and
causes a serious accident with injuries. This is a what? - answerTort Liability
Electrical safety gloves - answerare classified by the level of voltage protection they
provide and are subject to strict standards. In the United States, these standards are set
by the American Society for Testing and Materials (ASTM)
OSHA mandates that you MUST maintain a minimum of ___ foot of clearance from
overhead power lines? - answer10 feet
Look for _____ on poles as overhead utilities may transition to become underground
utilities - answerRisers
Locate Color Red - answerElectrical Power Lines
Locate Color yellow - answerNatural Gas, Steam, Petroleum, oil lines
Locate Color Blue - answerPortable water lines
Locate Color Green - answerSanitary sewer and Storm drain lines
Locate Color orange - answerCommunication lines - phones, cable tv, fiber optic
Locate color pink - answerTemporary surveying markings
2024-2025
Describe the significance of Garrett Morgans contribution to traffic signal development
and how it impacted modern traffic systems - answer Developed a three-position traffic
signal adding a 'warning' phase to reduce collisions.
"What are the two key purposes of traffic signal systems?" - answer Traffic regulation
and flow optimization
OSHA stands for what? - answer Occupational Safety and Health Administration
SDS sheets provide what type of information? - answer safety data sheets for chemicals
Which of the following is NOT considered part of the PPE for a Traffic Signal
Technician? - answer Sneakers
What is the maximum AC voltage that Class 0 electrical gloves can handle? -
answer1,000 volts
What is the minimum OSHA-mandate clearance from overhead power lines? -
answer10 feet
Which organization is responsible for publishing the National Electrical Code (NEC) -
answerNFPA
In Ohm's Law, what does the formula E = I x R represents? - answerVoltage = Current x
Resistance
Which of the following is NOT a type of traffic signal warrant as per MUTCD -
answerVehicle Age
What is the primary purpose of "fully-actuated" traffic signal? - answerTo respond to
real-time traffic demands
How often is it recommended for a Conflict Monitor Unit (CMU) to be tested and
recertified? - answerEvery Year
In electrical terms, what does `current 'refer to? - answerWater Flow
The NEC handbook is published by? - answerthe National Fire Protection Association,
which is responsible for developing and updating the NEC
, Which document determines the hierarchy of utilities on a utility pole? - answerNESC
Part four of the __________ determines all the guidance for traffic signals -
answerMUTCD
What does OSHA stand for? - answerOccupational Safety and Health Administration
Who published the NEC? - answerNFPA
Legal Liability : Negligence - answerfailure to exercise a reasonable standard of care
expected under the circumstances, leading to an increased risk of accidents and harms.
Tort Liability - answerThis would be a non-criminal act or failure to act by one party that
leads to harm or damages to another party
what would be failure to use exact care in one's actions? - answerNegligence
A technician was sent out to an intersection to replace a broken traffic signal head.
When he arrived on the scene, he realizes he does not have the proper hardware to
reinstall the fixture. He only secures the fixture with two screws and leaves for the
evening and forgets to come back to complete the repair. The fixture falls on a car and
causes a serious accident with injuries. This is a what? - answerTort Liability
Electrical safety gloves - answerare classified by the level of voltage protection they
provide and are subject to strict standards. In the United States, these standards are set
by the American Society for Testing and Materials (ASTM)
OSHA mandates that you MUST maintain a minimum of ___ foot of clearance from
overhead power lines? - answer10 feet
Look for _____ on poles as overhead utilities may transition to become underground
utilities - answerRisers
Locate Color Red - answerElectrical Power Lines
Locate Color yellow - answerNatural Gas, Steam, Petroleum, oil lines
Locate Color Blue - answerPortable water lines
Locate Color Green - answerSanitary sewer and Storm drain lines
Locate Color orange - answerCommunication lines - phones, cable tv, fiber optic
Locate color pink - answerTemporary surveying markings
