Practice question

What is the IMSA specification for control cable used in traffic signal installations?

IMSA 19-1 for signal control
IMSA 20-1 for loop detector lead-in
IMSA 51-5 for fiber optic
IMSA 14-2 for underground power

Answer: A — IMSA 19-1 for signal control

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Practice more: IMSA Traffic Signal III Practice Questions - IMSA Traffic Signal Senior Field Technician Level III Certification Exam Exam →