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For garage door whats better n/c or n/o wiring?

Blackbird
in ISY994

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Posted

Is there a difference and if so why? A friend does have the aftermarket magnet switch and we wondered which wiring setup to the iolinc is better?

 

Thanks

You want your contacts to be open (N/C) when the magnet and switch are in close proximity to each other

 

When the garage door opens the contacts will then close and the sensor light on the IOLinc will light.

 

 

This is the opposite of standard alarm wiring which triggers when the circuit is broken, i.e. a wire is cut or a door is opened.

 

In short, the ISY works best with a N/C wired switch.

Edited by Techman

  • Author

Please see my other post I mistakenly created a double post.

 

Thanks for the reply

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