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Diode Question


Teekass

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I'm installing an electric fan, and want to be able to manually turn on the fan (via a toggle switch) in addition to the thermo switch that comes with it. My question is do I need to put diodes between the switches and the fan in the event that both switches are on at the same time?

 

Diode_Needed.JPG

 

Thank alot,

Chris

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Nope.

One caveat - If anything else is using the thermo switch, then it will also be activated by the manual switch.

 

The fan is the only accessory on this circuit....good point though, not sure I would have thought of that!

 

Without meaning to, you also answered my next question. You let me know that I don't need a diode in this case, so I was trying to think of when I Would need to use diodes. If I had another accessory on this circuit that I wanted to be acitviated only by the thermo switch (or only by the toggle switch), I could see where a diode would allow this.

 

Thanks for the reply.

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