Articles about National Electrical Code
Installing a Sub Panel for a Detached Building
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.
Electrical Code for Garage GFI Outlets and Receptacles
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.
Does a GFCI Outlet Need to be Grounded?
Does a GFCI Outlet need to be grounded?
How Many Receptacles and Lights does the Code Allow
How many receptacles and lights does the code allow per 15 amp circuit? Code Requirements for Wiring Outlets and Lights
Electrical Code and Swimming Pool Light Fixtures
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!
Avoid Damaging Electrical Cables Inside Walls
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.
Installing a Panel for a Hot Tub
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?
Grounding a Panel for a Detached Shop
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 Many Electrical Wires In a Junction Box
How to Wire a Junction Box: Selecting a Junction Box for Electrical Wiring, The Basics of Electrical Junction Boxes, The number of wires that are allowed in a Junction Box.
Grounding an Electrical Panel
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.
How to Strip Electric Wire
How to Remove Insulation from Electrical Wires: Stripping Electrical Wires Without Nicking the Wire, Methods of Stripping Electrical Wires and Making a Connection.
Grounding a Television or Communications Antenna
How to Install an Earth Grounding and Bond for Communication Antenna: Guide for Grounding an Antenna System
Fix a Wiring Problem that Causes Electrical Trouble
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.
Electrical Code for BX Cable
Where in the NEC code book does it show where and how BX can be exposed and what are the restrictions.
What is The Purpose of the Neutral Wire
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.
Understanding Electrical Wiring for Ceiling Light Fixtures
Ceiling Light Fixture Electrical Wiring and Connections: Depending on the age of the home there may be one or more cables found in the ceiling junction box. These cables are used for distributing power to the light fixture, the wall switch, and may provide power to wall receptacle outlets as well.
Adding Electric Wiring to a Garage
Electrical Question: I need a 50amp, 30amp, and 20amp circuit in my garage. Do I need more than one conduit for the electrical wires?
Install New Wiring in a Main Panel
New commercial 200amp 1 phase breaker panel. With line power entering from the bottom.
What is the Electric Code for Installing a 220volt Receptacle
How high should a 220volt receptacle box be above the floor? Examples where 220volt receptacles are installed in specific applications and the NEC Code.
NEC Electrical Code for Re-Identifying Ungrounded Conductor
How should I Identify Electrical Conductor Wiring? NEC Article 200.7 (C) Re-Identifying Ungrounded Neutral Conductors.
