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‘What most. has established requirements for PPE in certain working situations? CORRECT SILA/CCOIIS Which of the following certifications must be attained first? (CORRECT ANSWER: Trafic signal Tech. Level | Upgrades or revisions to the traffic signal are the responsibility of whom? CORRECT ANSWER: professional engineer What is NOT an example of documentation that can limit the liability of the technician and/or agency? CORRECT ANSWER: NTCIP What is the single most important focus that the field technician should have? CORRECT ANSWER: safety For many agencies, what is the least amount of technicians required to perform work with an aerial lift? What is NOT true when it comes to dealing with the public? CORRECT ANSWER: If you are unsure of the answer, give them the incorrect information so you can keep working What is NOT a function of a moder traffic signal controller? CORRECT ANSWER: Processing when a vehicle has run a red light and informing the police What was a major drawback with the first traffic signal controllers? CORRECT ANSWER: Maintaining the mechanical parts When did standardization of controllers become established in the United States and Canada? 1970s What was limited by the fourth proprietary connector used with the NEMA TS-1? CORRECT e type of replacement model Which type of controller utilizes a high speed data channel between all major equipment to maximize the functionality and expandability of the controller assembly? CORRECT ANSWER! NEMA TS-2 Type 1 What greatly reduced wire connections in the controller cabinet with the use of the RS-485 with the SDC? CORRECTANSWERS Bus interface unit What was the intent of developing the ATC specifications? CORRECT ANSWER: To have an open architecture hardware and software platform for ITS application Which agency developed a communications protocol for ITS systems, field devices and software so basic functionality should be interchangeable regardless of the manufacturer? CORRECT ANSWER: NTC