David Johnston

David Johnston
My experience started with the Air Force as an Avionics Technician/Supervisor for 20 years until I retired. Next, I was employed as an electronic/electrical tech by a food processing plant, then water distribution for a city, and finally as a power plant protective relay tech. Throughout the years I have worked a gambit of different systems from avionics, processing instrumentation, motors and controllers, line distribution protection, communications, security, and safety. All these systems use various test instruments and regulations that are needed to accomplish the job. I have a small electrical business basically as a subcontractor dealing with industrial, power plants, and residential.
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