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-   Electrical and Wiring (http://www.houserepairtalk.com/f9/)
-   -   Lights brighten (http://www.houserepairtalk.com/f9/lights-brighten-517/)

Sparky 03-16-2006 08:57 AM

Lights brighten
 
Lights brighten when hair dryer is turned on. Any ideas?:confused:

CraigFL 03-16-2006 02:50 PM

Sounds like your circuit ground may be bad and the increased current draw from that hair dryer makes it better...

Square Eye 03-16-2006 03:32 PM

Electricity is a difficult thing to understand. The easiest way to understand it is this.

You have to have a supply AND a return. Just one will not do. You can make yourself a return by grounding yourself and touching a hot wire (supply).

Electricity is always looking for the easiest path. The path of least resistance between a light bulb and a hair dryer is the hair dryer. If it is rated for more ampres or more watts, the electricity flows better and faster, easier. Many people have the idea that more resistance = more watts, more amps. Not so. More resistance = low amp draw and less watts. Once a hair dryer gets started, the ampres flow at a rate of about 10 times the flow required for typical lighting. The increased amp flow in the circuit makes the light brighter by slightly increasing the voltage.

Voltage = pressure

Ampres = rate of flow

Watts = volume or total of volts X ampres


Tom in KY, clear as mud.

birken 03-16-2006 07:14 PM

Last two places I lived at did this. Pretty common.

inspectorD 03-18-2006 09:45 AM

Hmmm.
 
Are you located next to that power plant in your avtar?
That could have something to do with it.
Also folks, notice the posting from Newfoundland? Not our same power grid?
We have different voltages?,;)

InspectorD

JoeD 04-18-2006 08:26 PM

Lights brightening when power used is the classic sytome of a loose neutral on your service. This is not good and should be services ASAP. The reason for lights brightening is voltage rising. This will kill your electronics.


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