I’ve worked in a factory for almost fifteen years, and hear the term “solenoid” tossed around a lot by maintenance. I have no idea what one is, so I smile and nod.
In: Engineering
[This video](https://youtu.be/AvwBcu3e9O4) by Jeremy Fielding is a pretty good intro to relays, contactors & solenoids. It’s essentially an electromagnet that moves a core designed to push or pull things.
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