Articles about electrical code

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.

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?

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.

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.

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

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?

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 should I label the Main Meter Service Panel and the Service Distribution Panel with all the breakers for the home?

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

Can I use a 100amp main breaker in a 50amp sub panel? Options for a Main Disconnect Breaker in a Sub Panel.

How is Underground Wiring Installed for a Shed? The Process of Installing Electrical Wiring to a Shed

Electrical Code Requirements for Kitchen Island Electrical Outlets

How to Identify Equipment Grounding Conductors as Required by the National Electrical Code

Electrical Maintenance Training for Arc Flash: The NFPA 70E is the standard that addresses electrical safety requirements for employees. It includes arc flash training, study, clothing, etc. which would be very beneficial for your training program for your electrical maintenance department.

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.

What type of ground wire should I used for outlets? How to Upgrade Home Electrical Wiring and bring the Electrical Systems up to current Electrical Code Standards.

The NEC states that the total rating of a plug-connected room air conditioner, where lighting units or other appliances are also supplied, shall not exceed…

How to Install MC Cable for Electrical Circuit Wiring: MC cable is required to be installed in some locations for home electrical wiring and is often used when wiring outlets and lighting circuits. The installation of MC Cable must be according to applicable codes including the following guidelines.