Articles about electrical code

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

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!

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?

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

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.

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.

I have a new home and I have several electrical questions about electric wiring codes which these issues may violate: Electrical Wiring Methods and Procedures Reviewed.

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?

How to Install 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.

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