Articles about electrical codes

Ceiling Light Fixture Electrical Wiring and Connections: Depending on the age of the home there may be one or more cables found in the ceiling junction box. These cables are used for distributing power to the light fixture, the wall switch, and may provide power to wall receptacle outlets as well.

Why is my 240 volt circuit only showing 120 volts? How to Correct Incorrect Circuit Voltage.

How do I connect a new ceiling fan to the existing wiring and wall switch? The Main Wiring Connections of a Standard Ceiling Fan.

How to Perform Electrical Troubleshooting for an Emergency Lighting Circuit – Emergency electrical wiring repairs should be made using the right materials for your particular application. Here are a few choices to help you decide what you’ll need.

Circuit Requirements for a Hot Water Dispenser, Kitchen Hot Water Dispenser:

Installing an Electrical Panel: Can I feed a second sub-panel from the one I currently have in my home?

Electrical Circuit Wiring for a Hot Tub Circuit: The electrical circuit is a dedicated GFCI protected circuit. Many hot tubs required a 4-wire circuit which has a separate neutral and separate ground along with the 2-conductors which provide the 240 volt circuit.

Richard in Erie Pennsylvania asks: How to Chose and Install the Right Electrical Outlet: How should I update all my outlets to three prong grounded receptacle outlets?

I wired my basement so all the lights operate from one switch but the switch does not operate the lights and the lights just stay on. What did I do wrong? Installing Basement Electrical Wiring for Lights and a Switch.

How to Operate an Outdoor Light with the Garage Door: How can I turn on an outdoor light with my automatic garage door opener?

Why did a light socket pop when I changed the light bulb, which caused all the lights in the fixture to go out? How to Repair a Light Fixture Switch or Socket Problem.

How are lights and outlets wired when Remodeling a Bathroom? Installing Electrical Wiring for a Bathroom Remodel Project.

Does My Fluorescent Light Ballast Need to be Replaced? The Most Common Problems with Fluorescent Light Ballast and How to Fix Them.

I upgraded some appliance circuits, have I violated any codes? What to do If You Forgot to Get a Permit or Inspection for Your Electrical Project.

My house has three prong outlets but there is no ground wire, is this safe and what should I do? How to Fix Ungrounded Outlets, Grounding an Ungrounded Circuit, What To Do About Ungrounded Outlets.

I am wiring a new air compressor. It is 240volt, 28 amps, 7.5 hp, single phase. Is #6 wire big enough?

My Condo circuit breaker box receives only 203 volts . Either black cable to white cable reads 117volt.

I am installing electric wiring in a new attached Sun Room. Do the outlets, ceiling fan and lighting need to be GFCI?

I know I have a motion detector and a hidden camera on my living room ceiling. How can I detect devices that have been planted in my home that are watching me and spying on me?

What is the difference between a FLNR 60 Fuse and a FRN-R 60 Fuse?