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Answers to Electrical Questions about Wiring a Pull Chain Switch into a Bathroom Vanity Light, Measuring Amperage, Saving Energy and Troubleshooting Outside Lights

November 5, 2007

Bill N Says:
Hi, I have a new bathroom light bar to go over a medicine cabinet. The old cabinet had a pull chain and a plug on it. with all that removed i am left with a wire that is hot! it has a white,black and a ground,how do i wire in a pull chain switch to the light bar..Thanks

Wayne Gilchrist Says:

  1. Turn off the power and verify it is off at the light with a voltage tester.
  2. Connect all of the grounds (bare copper or green wires) together.
  3. Connect all of the neutrals (white wires) together.
  4. Connect the black wire from the light to either wire on your pull chain switch.
  5. Connect the black wire from the incoming power cable to the other wire on your pull chain switch.
  6. Turn on the power and test. 

 

Tracey Says:
saw a post here that ask the same question I have, but no response was posted. My question as andrew on July 28th 2007 at 1:28 pm put it;
“How can I determine energy usage on a per circuit basis?…. Ideally I would like to be able to measure usage per circuit at the breaker panel.”

I have a lot of electrical appliances, motors, and devices that I use in my home. My energy bill is getting out of control and I would like to determine where (on which circuit) my big energy consumers are. I can then isolate my search to find way’s to reduce our home energy consumption. I know that some applicance use alot of energy, but I would like to be able to measure how much. Is there a device that I could connect to the breakers in the service panel to measure the usage over time? I am not an electrician but I did all of the wiring on my 1 yr old home and am quite proud of my work.
Thanks for your help.

Wayne Gilchrist Says:
The most economical way to do this is to purchase an ammeter. This meter will measure amperage. You may also need to convert amperage to wattage. This is easily done by multiplying voltage by amperage (volts x amps).

If you have a lot of motor and appliance loads in your home, I highly recommend purchasing and installing a Power-Save 1200™. This will save you 8% – 25% on your electricity bill. I installed one of these in my home.

  

Bill Filbert Says:
I have flood lights around the house and four locations in the house for light switches that can turn them on and off. They stopped working and I am assuming it is because one of the switches went bad. How can I check the switches to see if one is bad? If they still do not work after checking the switches is there a possible other cause?

Wayne Gilchrist Says:
The problem could be a bad switch, but they rarely go bad. I recommend opening up the light and measuring voltage. Check between the hot & neutral and the hot & ground. If there is no voltage, check to see if the breaker is tripped; sometimes the handle on the breaker does not move to the tripped or off position. Check to see if there is a GFCI receptacle in this circuit that is possibly tripped.

There are several possibilities why your lights are not working. If it is not one of the solutions I provided above, then I recommend using my paid service at http://www.ezdiyelectricity.com/ or calling an electrician.   

 

 

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Comments

2 Responses to “Answers to Electrical Questions about Wiring a Pull Chain Switch into a Bathroom Vanity Light, Measuring Amperage, Saving Energy and Troubleshooting Outside Lights”

  1. liverules » Answers to Electrical Questions about Wiring a Pull Chain Switch … on November 19th, 2007 5:43 am

    [...] sourced here [...]

  2. robert reinhart on October 29th, 2008 5:34 pm

    i have one room in my home in which none of the receptacles are working have replaced the fuses but still not working

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