Disconnect Faulty Electrical Devices to Avoid Hazards
what happen when you leave appliances on that don’t work while running on power…
Electrical Question from Ken about Electrical Device Problems
Background: Ken, a Student from Dallas, Texas
Question: I have a vent hood over my stove but the fan doesn’t work, if I leave it on and it doesn’t work what can happen? Also I hear a hissing noise coming from my light switch like a low voltage tazer, what could this be. Furthermore, the lights in my kitchen dims and brightens and sometimes only portions of the lights come on, what could this be? But most importantly I will like to know what happen when you leave appliances that don’t work running on power?
Thanks for your electrical question Ken.
Disconnect any electrical device that does not work to avoid overheating and a possible fire hazard.
The hissing that you hear from the light switch may be caused by the contacts breaking down. I suggest that the switch be replaced.
The problem you are having with the kitchen lights is most likely due to a faulty connection or splice within the electrical circuit. This is discovered using troubleshooting techniques as described in the Electrical Troubleshooting ares of the website.
The Following links will assist you with your electrical question:
Make sure not to miss these Resources for: How-To-Videos
Be Careful and Be Safe – Never Work on Energized Circuits!
For Best Results Consult a Licensed Electrical Contractor.
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
The Safest Way to Test Electrical Devices and Identify Electric Wiring!The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester, [amazon.com], I use for the detection of Standard Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
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