Articles about electrical code

Ian in Canada asks: How many receptacles and lights does the code allow per 15 amp circuit?

Ed in New Jersey asks: Does a GFCI Outlet need to be grounded?

Lanny in Minnesota asks: Can a GFCI circuit breaker take the place of a GFCI Outlet? Would it be considered to meet NEC Code Requirements?

Michael in California asks: 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.

Bob in Wisconsin asks: Installing electric wiring in a new attached Sun Room. Do the outlets, ceiling fan and lighting need to be GFCI?

Joe in Texas asks: 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.

Is a main electrical service panel required to have a main breaker or disconnect switch? What is the NEC code article number that states this?

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.

Correcting the Grounding System of Home Electrical Wiring: I have been upgrading some of the fixtures and dimmer switches in my house, When installing ungrounded fixtures and switches where would I ground them?

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.

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.

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.

Does the electrical code allow you to run UF cable in concrete? Installing Buried Electrical Cable, The Minimum Covering Requirements for UF Cable.

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

What is the minimum height for mounting an electric service? Mounting the Electric Service Meter.

I want to run an underground electric service from a breaker box, how should I install the cable for an underground electric service? How to Install an Underground Electrical Service.