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Electrical wiring of emergency shut off switches
        
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            I have a setup as you show in the second drawing. I would like to add a pilot light to the switch that only has 2 wires in the box. Can this be done? Thank you0
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            Not correctly as you have no neutral at that location.
There is however a single pole switch that lights up when off.
Would show up in a stairwell.0 
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