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normally open and closed
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Answer
What are the 3 wires on the Falcon EA, exit alarm switch?
Resolution:
For 24/25 devices per instructions : Violet - Normally Open Black - Common Gray - Normally Closed:
Is the MA lock available with the RX feature?
Resolution:
The MA RX features a single switch within the chassis that will monitor both the inside and outside knob/lever. The switch is only available as Normally Open (NO).:
What is the difference between normally open and normally closed?
Resolution:
In a push button type switch (RX or LX), in which the contacts remain in one state unless actuated, the contacts can either be normally open (abbreviated "n.o." or "no") until closed by o...:
What causes am ME Series closer to creep shut (creeper)?
Resolution:
If an ME Series closer creeps shut or will not hold open, Verify proper voltage is being supplied to the closer, if correct Check the on/off switch. Verify the voltage on the 2 pin co...: