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Question – Dimmer Switches Can Cause Bulbs to Hum


The humming you hear is actually the bulb filament vibrating.



Question – Troubleshooting a Dryer Plug


What causes a 240 volt outlet to give only 120 volts?



Question – Steps to Take to Lower Your Electric Bill


How to Lower Your Electric Bill: Home Appliances and Electrical Consumption. Tracking Down High Energy that leads to Big Electric Bills



Question – Identifying the Wires


Why do I have two black wires on the fixture?



Question – There is Power Going to the Fixture, But it Still Isn’t Working


Because your old existing fixture stopped working it seems that there is a problem with the fixture circuit.



Question – Converting a Headlight to a Lamp


How do I change the power supply from a battery to standard indoor electric power cord?



Question – Using CFLs Rather Than Incandescent Bulbs


Can I use a higher watt CFL than the fixture recommends?



Question – Identifying the Ground Wire


Which wire is the ground wire?



Question – How to Determine If You Can Add Another Fixture to a Circuit


I have four white wires and four black wires in a fixture box. Is my circuit overloaded?



Question – Shocked with the Circuit Breakers Off?


Why did my electrician get an electrical shock if he turned off all the breakers?



Question – Why There are Different Types of Dryer Plugs


The new electrical code calls for a 4-wire plug for dryers.



Question – Halogen Bulbs


Do halogen bulbs smell when they’re about to go out?