IMSA TRAFFIC SIGNAL COMPREHENSIVE
QUESTIONS AND ANSWERS SURE A+
✔✔Underground utilities: Pink -✔✔Temporary survey markings
✔✔Underground utilities: Purple -✔✔Chilled water, reclaimed water, irrigation, slurry
lines
✔✔Underground utilities: White -✔✔proposed excavation
✔✔Underground utilities: Not specified -✔✔Military & private underground utilities
✔✔Damaged utility notification -✔✔Secure the area, call 911 in event of hazard, identify
damaged utility, call 811 to report and create damaged utility ticket, expose damaged
utility if safe to do so
✔✔What electrical gloves would you use to work near voltages of 1,000 VAC -✔✔Class
0
✔✔Multimeter -✔✔Measures voltage, resistance, current, and other things to diagnose
electrical issues
✔✔Load tester -✔✔Used to verify the integrity of batteries
✔✔Fiber power tester -✔✔Used to measure the light loss in fiber
✔✔LCR Meter -✔✔Measures inductance, capacitance, and resistance
✔✔TDR/OTDR -✔✔Measures anomalies in wire or opitical fiber
✔✔Megohmmeter -✔✔Measures conductor in insulation 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 -✔✔Place an audible signal on a conductor to locate
✔✔MMU/CMU Tester -✔✔Certification tester
✔✔BIU tester -✔✔certification tester for IU's
✔✔Load switch tester -✔✔verifies integrity of a load switch
✔✔What meter would you use to check resistance? -✔✔Multimeter
✔✔Which piece of test equipment would you use to measure the insulation resistance
of your conductor? -✔✔Megohmmeter
✔✔Which piece of equipment would you use to certify your conflict monitor's ? -✔✔A
MMU/CMU Tester
✔✔Which piece of test equipment is commonly used to measure voltage, resistance,
and current? -✔✔Multimeter
✔✔Arc Flash -✔✔An arc Flash is an electrical explosion with a tremendous
amount of pressure and heat. • Everything turns into molten
metal upwards of 35,000 degrees
✔✔Conductor -✔✔Conductors are materials that conduct electricity. Copper is common
in wiring, and aluminum. Gold and silver used in electronics
✔✔ -✔✔Insulators are materials that do not conduct electricity. Some materials
commonly used as insulators are various types of plastics, rubber, glass, porcelain, and
ceramic.
✔✔Voltage is like -✔✔water pressure
✔✔Current is like -✔✔amount of water flowing
✔✔Resistance is like the -✔✔size of a pipe
✔✔Lunar white -✔✔color of ped walk signal
QUESTIONS AND ANSWERS SURE A+
✔✔Underground utilities: Pink -✔✔Temporary survey markings
✔✔Underground utilities: Purple -✔✔Chilled water, reclaimed water, irrigation, slurry
lines
✔✔Underground utilities: White -✔✔proposed excavation
✔✔Underground utilities: Not specified -✔✔Military & private underground utilities
✔✔Damaged utility notification -✔✔Secure the area, call 911 in event of hazard, identify
damaged utility, call 811 to report and create damaged utility ticket, expose damaged
utility if safe to do so
✔✔What electrical gloves would you use to work near voltages of 1,000 VAC -✔✔Class
0
✔✔Multimeter -✔✔Measures voltage, resistance, current, and other things to diagnose
electrical issues
✔✔Load tester -✔✔Used to verify the integrity of batteries
✔✔Fiber power tester -✔✔Used to measure the light loss in fiber
✔✔LCR Meter -✔✔Measures inductance, capacitance, and resistance
✔✔TDR/OTDR -✔✔Measures anomalies in wire or opitical fiber
✔✔Megohmmeter -✔✔Measures conductor in insulation 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 -✔✔Place an audible signal on a conductor to locate
✔✔MMU/CMU Tester -✔✔Certification tester
✔✔BIU tester -✔✔certification tester for IU's
✔✔Load switch tester -✔✔verifies integrity of a load switch
✔✔What meter would you use to check resistance? -✔✔Multimeter
✔✔Which piece of test equipment would you use to measure the insulation resistance
of your conductor? -✔✔Megohmmeter
✔✔Which piece of equipment would you use to certify your conflict monitor's ? -✔✔A
MMU/CMU Tester
✔✔Which piece of test equipment is commonly used to measure voltage, resistance,
and current? -✔✔Multimeter
✔✔Arc Flash -✔✔An arc Flash is an electrical explosion with a tremendous
amount of pressure and heat. • Everything turns into molten
metal upwards of 35,000 degrees
✔✔Conductor -✔✔Conductors are materials that conduct electricity. Copper is common
in wiring, and aluminum. Gold and silver used in electronics
✔✔ -✔✔Insulators are materials that do not conduct electricity. Some materials
commonly used as insulators are various types of plastics, rubber, glass, porcelain, and
ceramic.
✔✔Voltage is like -✔✔water pressure
✔✔Current is like -✔✔amount of water flowing
✔✔Resistance is like the -✔✔size of a pipe
✔✔Lunar white -✔✔color of ped walk signal
