Articles about electrical code

Electrical Circuit Wiring for a Home: Home Wiring Diagrams room by room with Pictures and electrical code reviews

How to Upgrade the Home Electrical Wiring: Electrical Upgrades to Make Before Selling a Home, GFCI Outlets, Electrical Codes and Wiring Upgrades.

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

The Electrical Codes for the Grounding System of a Sub Panel in a Detached Building Explained

Does a GFCI Outlet need to be grounded?

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

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!

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

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

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

Installing an Electric Panel for a Detached Garage: Electric Codes for a Detached Garage Panel, Can I use a Main Lug Only Electric Panel Load Center for a detached garage?

Installing an Underground Electrical Service for a Home: Electrical Pull Box And a PVC 90 Degree Sweep to the Panel, Electrical Code about a Main Electrical Service Disconnect Switch.

Where in the NEC code book does it show where and how BX can be exposed and what are the restrictions.

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.

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?

Question: I own a 1960s home with a 100 amp service panel. Behind the house is a detached guest house. There is a 40 amp 220 feed going from the main panel to a sub panel outside the guest house. They used number 8 wire in metal conduit through the attic going into the ground.

Why an Apartment Unit may be Tripping a Circuit Breaker: Why is my apartment tripping the circuit breaker?

On a main panel for residential application would I need a Meyers hub when drilling my own hole in the side? It will be above a concentric knockout, and used for solar instillation.

What size wire should I use? Long Distance Underground Electrical Services Require Considerations

What are the electrical codes for wiring kitchens? Wiring Electrical Circuits for a Kitchen: The Electrical Codes for Wiring Kitchens.