2O24|25 IMSA TRAFFIC SIGNAL LEVEL 1| 100% CORRECT
MUTCD - Part 4
OSHA - Safety Date Sheets (SDS) - 16 sections
NEC - National Electric Code, smaller (house, cabinet)
NESC - National Electrical Safety Code, bigger (utilities)
NEMA - National Electrical Manufacturers Association
IMSA - International Municipal Signal Association
ATCC - Advanced Transportation Controller Cabinet
ATC - Advanced Transportation Controller
Tort Law - 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 - Failure to use reasonable care in one's actions
Class 00 Gloves - Max 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - Max 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - Max 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - Max 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - Max 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - Max 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - minimum 10 feet
Power Pole Construction - highest voltage lines at top of pole, communications lines
lowest on pole
Risers - used on poles as overhead utilities may transition to become underground
utilities
, Arc Flash - Electrical explosion with a tremendous amount of heat and pressure.
Everything turns into molten metal upwards of 35000 degrees.
Underground Line: Red - electrical power lines
Underground Line: Yellow - Natural gas, petroleum, stream lines
Underground Line: Blue - Water lines
Underground Line: Green - Sanitary sewer and storm drain lines
Underground Line: Orange - Communications lines (phones, cable tv, fiber optic)
Underground Line: Purple - Survey
Underground Line: White - Proposed excavation
Digital Multimeter (DMM) - A piece of test equipment used to measure voltage, current,
and resistance in an electronic circuit.
Load Tester - used to verify the integrity of batteries
Fiber Power meter - used to measure the light loss in a fiber
LCR Meter - measures inductance, capacitance, and resistance
TDR/OTDR - measures anomalies in a wire or optical fiber
Megohmmeter - measures conductor insulator resistance
Loop Tester - measures inductance and frequency
Ground Rod Tester - measures resistance to ground
Voltage tester (loaded) - looks for voltage on a conductor
Tone generator - places an audible signal on a conductor to locate
BIU - bus interface unit
Common Conductor materials - metals, copper, aluminum
Common Insulator materials - plastics, rubber, glass, porcelain, ceramic
Voltage - like water pressure, Volts
MUTCD - Part 4
OSHA - Safety Date Sheets (SDS) - 16 sections
NEC - National Electric Code, smaller (house, cabinet)
NESC - National Electrical Safety Code, bigger (utilities)
NEMA - National Electrical Manufacturers Association
IMSA - International Municipal Signal Association
ATCC - Advanced Transportation Controller Cabinet
ATC - Advanced Transportation Controller
Tort Law - 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 - Failure to use reasonable care in one's actions
Class 00 Gloves - Max 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - Max 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - Max 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - Max 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - Max 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - Max 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - minimum 10 feet
Power Pole Construction - highest voltage lines at top of pole, communications lines
lowest on pole
Risers - used on poles as overhead utilities may transition to become underground
utilities
, Arc Flash - Electrical explosion with a tremendous amount of heat and pressure.
Everything turns into molten metal upwards of 35000 degrees.
Underground Line: Red - electrical power lines
Underground Line: Yellow - Natural gas, petroleum, stream lines
Underground Line: Blue - Water lines
Underground Line: Green - Sanitary sewer and storm drain lines
Underground Line: Orange - Communications lines (phones, cable tv, fiber optic)
Underground Line: Purple - Survey
Underground Line: White - Proposed excavation
Digital Multimeter (DMM) - A piece of test equipment used to measure voltage, current,
and resistance in an electronic circuit.
Load Tester - used to verify the integrity of batteries
Fiber Power meter - used to measure the light loss in a fiber
LCR Meter - measures inductance, capacitance, and resistance
TDR/OTDR - measures anomalies in a wire or optical fiber
Megohmmeter - measures conductor insulator resistance
Loop Tester - measures inductance and frequency
Ground Rod Tester - measures resistance to ground
Voltage tester (loaded) - looks for voltage on a conductor
Tone generator - places an audible signal on a conductor to locate
BIU - bus interface unit
Common Conductor materials - metals, copper, aluminum
Common Insulator materials - plastics, rubber, glass, porcelain, ceramic
Voltage - like water pressure, Volts
