ask the electrician
Electrician Training Electrical Certification wiring recessed light fixtures Electrical Wiring Electrical Troubleshooting and Electrical Repairs wire outdoor light fixture Home Electrical Wiring Diagrams
wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet Wiring and Installing Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
Electrical Wire and Cable


Articles about National Electrical Code

How to 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.



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.



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.



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.



Does a GFCI Outlet Need to be Grounded?


Does a GFCI Outlet need to be grounded?



How To Ground a Television or Communications Antenna


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



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.



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.



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



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?



How to Ground 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.



Install New Wiring in a Main Panel


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



How to 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 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!



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.



Next Page »