Electrical Wiring in the Home/motion detector wall switvh

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Question
No success installing this switch yet.  Problem seems to be the ground connection.  Switch doesn't work at all when its 2 grounds are connected to the wiring grounds but does function correctly when its grounds are connected to the wiring white neutrals(as suggested by the manufacturer for test purposes only !) Switch box has one always live outlet wire connection as well running from it. I've made sure the ground screw on the box is tightened securely around the ground wires.  Any help would be appreciated.  Thank you.

Answer
Allan
Ground wires are not to be as a part of a circuit they are there for a short.The problems seem to be in your neutrals you will have to make sure your neutrals are connected in this circuit,the reason you are getting it to work when you connect the ground wire to the neutral is because they both go to the same place in the panel,if you notice that the neutral wire is insulated so you do not get a shock when the load is hooked up. The ground only serves as  protection for a short circuit in a metal enclosure or in appliances.
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Electrical Wiring in the Home

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