IMSA TRAFFIC SIGNAL LEVEL 1
EXAM QUESTIONS AND ANSWERS
2025
, MUTCD - ANSWERSPart 4
OSHA - ANSWERSSafety Date Sheets (SDS) - 16 sections
NEC - ANSWERSNational Electric Code, smaller (house, cabinet)
NESC - ANSWERSNational Electrical Safety Code, bigger (utilities)
NEMA - ANSWERSNational Electrical Manufacturers Association
IMSA - ANSWERSInternational Municipal Signal Association
ATCC - ANSWERSAdvanced Transportation Controller Cabinet
ATC - ANSWERSAdvanced Transportation Controller
Tort Law - ANSWERSLegal 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 - ANSWERSFailure to use reasonable care in one's actions
Class 00 Gloves - ANSWERSMax 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - ANSWERSMax 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - ANSWERSMax 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - ANSWERSMax 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - ANSWERSMax 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - ANSWERSMax 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - ANSWERSminimum 10 feet
Power Pole Construction - ANSWERShighest voltage lines at top of pole,
communications lines lowest on pole
Risers - ANSWERSused on poles as overhead utilities may transition to become
underground utilities
EXAM QUESTIONS AND ANSWERS
2025
, MUTCD - ANSWERSPart 4
OSHA - ANSWERSSafety Date Sheets (SDS) - 16 sections
NEC - ANSWERSNational Electric Code, smaller (house, cabinet)
NESC - ANSWERSNational Electrical Safety Code, bigger (utilities)
NEMA - ANSWERSNational Electrical Manufacturers Association
IMSA - ANSWERSInternational Municipal Signal Association
ATCC - ANSWERSAdvanced Transportation Controller Cabinet
ATC - ANSWERSAdvanced Transportation Controller
Tort Law - ANSWERSLegal 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 - ANSWERSFailure to use reasonable care in one's actions
Class 00 Gloves - ANSWERSMax 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - ANSWERSMax 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - ANSWERSMax 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - ANSWERSMax 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - ANSWERSMax 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - ANSWERSMax 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - ANSWERSminimum 10 feet
Power Pole Construction - ANSWERShighest voltage lines at top of pole,
communications lines lowest on pole
Risers - ANSWERSused on poles as overhead utilities may transition to become
underground utilities
