![]() Turn on the light switch you’re going to replace with a smart device the light/s should come on as normal if so, there is obviously power to the light bulb/s.It is imperative to understand that a light bulb that is not glowing or an appliance that is not functioning DOES NOT GUARANTEE THAT THERE IS NO ELECTRICITY AT THAT DEVICES ON/OFF SWITCH OR WALL RECEPTACLE simply because that bulb or appliance may be faulty. ![]() A bulb or appliance test is simply a quick way to check that you have the correct switch and whether there is power to that circuit.
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