This is the simplest solution youll want to try first that may fix the issue. Start by examining the wiring in the electrical box where the ceiling fan is located.
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No power to light switch. No continuity indicates a break in the wire. Unscrew the switch cover and remove it. You say that the box is not grounded so you will not have reference ground for your meter. When testing electrical circuits you must always be sure of a proper reference ground. Nintendo switch systems do not have a power light. A switch is put on the circuit to turn loads usually light fixtures on and off.
Make sure the breaker to the switch is on in your breaker box and determine whether there are any other tripped outlets and switch them on as well. A switch should be on the hot not the neutral. Switch the main circuit breaker to the off position. The problem may be a loose connection or a tripped wall outlet. Test the screws holding the light switch in place with the non voltage voltage tester. No power to a light switch wiring for a the light switch.
Disconnect the wire from the circuit breaker and the receptacle. What you are measuring is a floating voltage. If you only have one cable to the switch box this means that there will be no neutral in the box. Shut off the breaker for the circuit that the light is on. While the nintendo switch console is placed in the dock the lcd screen will automatically shut off as the software application will be displayed. Although not legal a switch on the neutral is sometimes done by amateurs.
Why would a switch read 0 volts when the light is turned on and 120 volts when the light is turned off its actually quite simple. If the light switch isnt working at all there may be no power to the circuit. Diagnosing light switch problems. If the light had been flickering however youll probably need to go a bit further. Twist the set of wires together at the receptacle box and check the wires at the panel box end with the continuity checker on your voltage meter. Let say you have line hot going into a light bulb and the switch is connecting to the neutral side of the light bulb.
Compare the wiring to the wires found at the light switch in the room. If it lights up you still have power running through the circuit and you havent shut off the right breaker. The home installation usually has the black hot wire going from one switch to the next switch maybe to a receptacle and on to another switch. Compare the wiring to the ceiling fan wiring diagrams found at the links i have provided below. Identify the wiring for a the light switch.
Gallery of No Power To Light Switch
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