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Mauricio Kimbro at HVAC Technical Academy – Central Florida
Mauricio Kimbro Shares What is a contactor (video)
Mauricio Kimbro Shares What is a contactor (video transcript)
HVAC Technical Academy
Sanford, Florida
July–August 2026 Session
Hello. How’s it going? My name is Mauricio Kimbro. I’m here with HVAC Technical Academy and today I’ll be discussing what is a contactor. So today, as you can see, this is our contacttor in here. It is wired to our power and it is hooked up with our power cord and our common. One thing that I would like to tell you guys about a contactor, it is pretty much our energizer. It transfers the voltage from a thermostat to our compressor. One way we could test a conttor, we actually have two of them
right here, a single a single pull and a double pull. We could test our contacttor so we’re not so we know that it’s not going bad with ohms. If you hear a beep, it’s good. When you don’t hear a beep, it could be bad. But then again, we’re testing on a high voltage, which is not energized. As you can hear that clicking noise. You would normally hear that when it’s going bad. Another thing that I would like to discuss with you guys is the operation of it. Like I said, it
goes through it. It connects our thermostat to our compressor, which if not energized can cause your compressor to go bad. A couple things that can cause your connector contacttor to go out. could be rust or erosion. Another thing could be rodents getting in, chewing it up. As you can see, this one’s kind of a little damaged itself. Another thing is well, most likely highly common is weather condition. Hopefully you guys love this video.