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I have no power registering at my light switch, when I turn…

Customer Question
I have no power...

I have no power registering at my light switch, when I turn the breaker off and on there is also no power; verified with a voltage tester. I don't see any issues with the connections in the box where the switch is located. How can I verify the circuit breaker is working?

Contractor's Assistant: How old is the system in question? And have you consulted an electrician yet?

Home was built in 70s. No electrican has been consulted yet.

Contractor's Assistant: Do you plan on doing the work yourself?

It depends on how difficult the repair would be for this issue. I would like to see if I could do it myself.

Contractor's Assistant: Anything else we should know to help you best?

The control panel for this also controls an outside light, a light in the living area. There is no ground.

Submitted: 6 months ago.Category: Electrical
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Answered in 1 hour by:
12/30/2017
Electrician: Mike G., Master Electrician replied 6 months ago
Mike G.
Mike G., Master Electrician
Category: Electrical
Satisfied Customers: 8,322
Experience: Proven Professional 49 years Experience
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Hi, I'm Mike and I'll be assisting you. Please stand by while I review your question.

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Customer reply replied 6 months ago
Thanks Nike
Customer reply replied 6 months ago
Mike*
Electrician: Mike G., Master Electrician replied 6 months ago

To troubleshoot the issue you'll need a 2 wire voltage tester. Do you have one?

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Customer reply replied 6 months ago
No I do not have one at the moments but can run over to the hardware store and get one
Electrician: Mike G., Master Electrician replied 6 months ago

When you get one I suggest a Volt/Con type. We can continue when you have it.

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Customer reply replied 6 months ago
I only have the one that beeps when there is voltage present
Electrician: Mike G., Master Electrician replied 6 months ago

Not good for other than sending voltage in the area. Can't test circuits. You need a 2 wire tester

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Customer reply replied 6 months ago
Ok. I will get one first thing in the morning.
Electrician: Mike G., Master Electrician replied 6 months ago

Very good, I'll be online all day.

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Customer reply replied 6 months ago
I purchased a digitally multimeter, placed it on the breaker, this is a double pole and both were at 120 volts. Still no electricity at the light switch
Electrician: Mike G., Master Electrician replied 6 months ago

You need to test a double pole breaker pole to pole. It should read 240V.

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Customer reply replied 6 months ago
Pole to pole reading is 240
Electrician: Mike G., Master Electrician replied 6 months ago

Test all single pole breakers to ground to make sure they all have voltage.

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Customer reply replied 6 months ago
They all have voltage
Electrician: Mike G., Master Electrician replied 6 months ago

OK, next thing is to check all receptacles in the area for voltage hot to neutral and if any don't read, test hot to ground. Having voltage at the breaker you must have a bad connection on the circuit. If you find any receptacle without voltage reading hot to neutral I give you directions on the next step.

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Customer reply replied 6 months ago
this circuit covers a furnace and two light switches. I don't have power at the light switch and the furnace electrical outlet works. Could the furnace be stopping the power from going to the electrical switches?
Electrician: Mike G., Master Electrician replied 6 months ago

The circuit is open ahead of the lights. It could be in the switch boxes if connections power other outlets or in any point ahead of the switches where there are connections. You need to follow the circuit back checking possible breaks in connection.

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Electrician: Mike G., Master Electrician replied 6 months ago

Unfortunately circuit directories at the panel are worthless. They only allow the installer to comply with code. A circuit map is what I recomend. A sheet of paper per floor, all receptacle, lights and equipment outlets shown, flipping breakers with the breaker number next to the outlet symbol. This shows the path of all circuits and makes troubleshooting much easier. Dead outlets or lights have the problem either at the affected outlet or a working outlet ahead of it.

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Customer reply replied 6 months ago
I do not believe this connection covers any other outlets. When I turn the circuit off the only electric that goes off is the switches
Customer reply replied 6 months ago
That makes sense. I should probably start a map as I just bought this place.
Electrician: Mike G., Master Electrician replied 6 months ago

What colors are the wires on the switch?

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Electrician: Mike G., Master Electrician replied 6 months ago

The connection on the right with wires to the switch and dimmer is the hot with. Remove the wirenut and test the lead wire for voltage. If no voltage you'll need to see where the circuit comes from for the problem.

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Customer reply replied 6 months ago
Yea I tested that wire earlier and there is nothing registering. I guess I need to go up into the attic to find out what's going on.
Electrician: Mike G., Master Electrician replied 6 months ago

Testing exposed cables with your non contact tester may help.

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Customer reply replied 6 months ago
Yeah I will do that
Electrician: Mike G., Master Electrician replied 6 months ago

Good luck.

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