Articles about electrical code

We have been installing 110v receptacles in above grid locations. My question is in regards to above ceiling electrical outlets in plenum non-plenum ceilings.

Can You Make a Generator Transfer Switch Using Circuit Breakers? How to Use a Circuit Breaker Interlock Kit for a Generator Transfer Switch.

How to Know if your Air Conditioner Requires a New Electrical Circuit

Does a GFCI Outlet need to be grounded?

How you can get your electrical business back into operation and start getting new clients.

Installing and Wiring Recessed Light Fixtures: NEC 314.16 and Box Fill, What does it mean when a light fixture wire box specifies a maximum number of wires?

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.

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

How many receptacles and lights does the code allow per 15 amp circuit? Code Requirements for Wiring Outlets and Lights

Mike in Vancouver, Washington asks: I had an outlet go bad in a bathroom and there were popping and crackling sounds, what would cause this? How to Correct an Outlet Voltage Problem, Troubleshooting Outlet Wiring Connections, Neutral Wires and GFCI Outlet Circuits.

Is it common practice to add new wire with old knob and tube wiring? How to Replace Knob and Tube Wiring, Replacing Old Electrical Wiring, What Areas of the Home to Rewire First.

The Purpose of the Neutral Wire in Electrical Systems: What is the purpose of the neutral wire and the difference between the ground wire and the white neutral wire.

What are the Electrical Codes for the Grounding System of a Sub Panel in a Detached Building?

Installing and Protecting NM Electrical Cable – The NM Cable must be positioned and fastened so that the cable will be protected from damage especially when the wall coverings are installed.

GFCI Ground Fault Protection for Swimming Pool Lights: NEC Article 680-20, As described in this electrical question, anyone who enters the pool with this light on is in Danger of Potential Electrical Shock!

How high should a 220volt receptacle box be above the floor? Examples where 220volt receptacles are installed in specific applications and the NEC Code.