IMSA Traffic Signal Level 1
Questions and Answers 100%
Correct
MUTCD - 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
Parallel Formulas - ANSWER - I(total) = I(branch 1) + I(branch 2)....
R(total) = 1/sum(1/Rx)
P(total) = P1 + P2 + P2 ...
Bonding - ANSWER - connected to establish electrical continuity and conductivity.
Bonding metal parts, such as enclosures and raceways, ensures that they are all
continuous on an effective ground-fault current path (EGFCP) that references back
to ground (earth).
, 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 - ANSWER - Failure to use reasonable care in one's actions
Class 00 Gloves - ANSWER - Max 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - ANSWER - Max 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - ANSWER - Max 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - ANSWER - Max 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - ANSWER - Max 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - ANSWER - Max 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - ANSWER - minimum 10 feet
Power Pole Construction - ANSWER - highest voltage lines at top of pole,
communications lines lowest on pole
Risers - ANSWER - used on poles as overhead utilities may transition to become
underground utilities
Arc Flash - ANSWER - Electrical explosion with a tremendous amount of heat and
pressure. Everything turns into molten metal upwards of 35000 degrees.
Underground Line: Red - ANSWER - electrical power lines
Questions and Answers 100%
Correct
MUTCD - 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
Parallel Formulas - ANSWER - I(total) = I(branch 1) + I(branch 2)....
R(total) = 1/sum(1/Rx)
P(total) = P1 + P2 + P2 ...
Bonding - ANSWER - connected to establish electrical continuity and conductivity.
Bonding metal parts, such as enclosures and raceways, ensures that they are all
continuous on an effective ground-fault current path (EGFCP) that references back
to ground (earth).
, 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 - ANSWER - Failure to use reasonable care in one's actions
Class 00 Gloves - ANSWER - Max 500 volts AC, 750 DC, tested semi annually
Class 0 Gloves - ANSWER - Max 1000 volts AC, 1500 DC, tested semi annually
Class 1 Gloves - ANSWER - Max 7500 volts AC, 11250 DC, tested quarterly
Class 2 Gloves - ANSWER - Max 17000 volts AC, 25500 DC, tested quarterly
Class 3 Gloves - ANSWER - Max 26500 volts AC, 39750 DC, tested quarterly
Class 4 Gloves - ANSWER - Max 36000 volts AC, 54000 DC, tested quarterly
Power line clearance (OSHA) - ANSWER - minimum 10 feet
Power Pole Construction - ANSWER - highest voltage lines at top of pole,
communications lines lowest on pole
Risers - ANSWER - used on poles as overhead utilities may transition to become
underground utilities
Arc Flash - ANSWER - Electrical explosion with a tremendous amount of heat and
pressure. Everything turns into molten metal upwards of 35000 degrees.
Underground Line: Red - ANSWER - electrical power lines
