Articles about National Electrical Code

New commercial 200amp 1 phase breaker panel. With line power entering from the bottom.

Do I need to run a ground wire for a 200 amp sub panel that is 200 feet away from the main panel? Grounding a Remote Sub Panel at a Detached Building.

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

Does a GFCI Outlet need to be grounded?

Should a white neutral wire have voltage when the circuit breaker is off? A multiwire circuit has been improperly installed, which is causing electrical problems within the home.

Can wire locators accurately show where electrical wires are inside a wall? Methods of Home Electrical Circuit Wiring, Electric Wiring Inside Walls, How To Locate Electric Wires, Home Wiring Techniques.

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

How to Ground a Electric Circuit Breaker Panel: Grounding Requirements for Electric Panels, National Electrical Code, NEC Article 250, Grounding a Main Panel, Grounding a Sub-Panel, Electrical Grounding Methods.

Installing a Panel and Ground System for a Shop: Factors that Determine the Type of Bonded Grounding System, Detailed Questions and Answers about Installing a Shop Panel and Bonded Ground System.

How to Install an Earth Grounding and Bond for Communication Antenna: Guide for Grounding an Antenna System

How to Remove Insulation from Electrical Wires: Stripping Electrical Wires Without Nicking the Wire, Methods of Stripping Electrical Wires and Making a Connection.

How to Plan and Install Electrical Wiring for Garage Outlets and Lighting Circuits: Electrical Codes about GFCI protection for 15A and 20A, 125V receptacles in garages.

Installing a Panel for a Hot Tub: I want to add a panel for a hot tub, some outlets and lights. Should I run a 100A service panel so I can supply power for all these circuits?

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?

Electrical Question: I need a 50amp, 30amp, and 20amp circuit in my garage. Do I need more than one conduit for the electrical wires?

Arc Fault Outlets for the Home: The AFCI Arc Fault Circuit Interrupter is used for specific circuits as required by the NEC Code.