Exam (elaborations)
IMSA Traffic Signal Level 1 Questions and Answers
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IMSA Traffic Signal Level 1
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IMSA Traffic Signal Level 1MUTCD - answer Part 4
OSHA - answer Safety Date Sheets (SDS) - 16 sections
NEC - answer National Electric Code, smaller (house, cabinet)
NESC - answer National Electrical Safety Code, bigger (utilities)
NEMA - answer National Electrical Manufacturers Association
IMSA - answer International Municipal Signal Association
ATCC - answer Advanced Transportation Controller Cabinet
ATC - answer Advanced Transportation Controller
Tort Law - answer Legal situations where an individual could be held liable for an injury
inflicted upon another person. Also involve the injured party seeking compensation for
any damages they have experienced (property loss, physical harm or pain and
suffering).
Negligence - answerFailure to use reasonable care in one's actions
Class 00 Gloves - answerMax 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - answerMax 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - answerMax 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - answerMax 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - answerMax 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - answerMax 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - answerminimum 10 feet
Power Pole Construction - answerhighest voltage lines at top of pole, communications
lines lowest on pole
, Risers - answerused on poles as overhead utilities may transition to become
underground utilities
Arc Flash - answerElectrical explosion with a tremendous amount of heat and pressure.
Everything turns into molten metal upwards of 35000 degrees.
Underground Line: Red - answerelectrical power lines
Underground Line: Yellow - answerNatural gas, petroleum, stream lines
Underground Line: Blue - answerWater lines
Underground Line: Green - answerSanitary sewer and storm drain lines
Underground Line: Orange - answerCommunications lines (phones, cable tv, fiber optic)
Underground Line: Purple - answerSurvey
Underground Line: White - answerProposed excavation
Digital Multimeter (DMM) - answerA piece of test equipment used to measure voltage,
current, and resistance in an electronic circuit.
Load Tester - answerused to verify the integrity of batteries
Fiber Power meter - answerused to measure the light loss in a fiber
LCR Meter - answermeasures inductance, capacitance, and resistance
TDR/OTDR - answermeasures anomalies in a wire or optical fiber
Megohmmeter - answermeasures conductor insulator resistance
Loop Tester - answermeasures inductance and frequency
Ground Rod Tester - answermeasures resistance to ground
Voltage tester (loaded) - answerlooks for voltage on a conductor
Tone generator - answerplaces an audible signal on a conductor to locate
BIU - answerbus interface unit
Common Conductor materials - answermetals, copper, aluminum
Common Insulator materials - answerplastics, rubber, glass, porcelain, ceramic
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