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In this video, we will demonstrate how to control lighting system lamps using a contactor, a switch, a photoelectric relay or photocell, and a timer. The contactor is known as a contactor switch or contactor switch, although its correct name is contactor. It is an electromechanical device that has a drive coil, auxiliary control contacts, and main contacts or power contacts. Many building electricians have great difficulty understanding, installing, and maintaining circuits that use contactors, so in this video, we will explain this in more detail. To learn more about our complete Residential and Building Electrician course or the Electrical Commands Course, access the links below: • Electrician Course: https://telredes.com.br/curso-de-elet... • Electrical Commands Course: https://telredes.com.br/curso-de-coma... #LearnToUseContator #ContactorKey #ElectricalCommandsCourse #TelredesCourses Telredes Courses “Knowledge for a better life” https://telredes.com.br