Automatic circuits work on the philosophy that some external/automatic switch turns power on and off to a circuit.  This can be a photocell or timeclock that controls a set of relays or contactors which allow or disallow current to flow in a circuit.

Episode 15 - SCHEMATICS - Automatic Circuits (Contactors, Relays, Photocells, & Timeclocks)

Electrician U is a learning and teaching platform that explains all components, theory, and ideology behind being an electrician. If you're looking to figure out &quot;what is a capacitor, how does induction work, how do I bend 3/4&quot; rigid conduit&quot; - all of these topics will be covered. This is for electricians or anyone in the electrical trade.

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Episode 15 - SCHEMATICS - Automatic Circuits (Contactors, Relays, Photocells, & Timeclocks)

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