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Articles about National Electrical Code

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 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.



Identifying Equipment Ground Conductors and the NEC


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



Ask-The-Electrician Receives A Compliment About Electrical Codes


This site gives a lot more straight forward information than the code book does, it also seems to give recommendations that go above and beyond the NEC book.



Electrical Training NFPA 70E for Arc Flash


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.



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.



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.



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.



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.



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.



Rated Capacity of Electrical Wire


Safe Amperage Ratings for Electrical Wire: The amperage rating will depend on the insulation type of the #12 AWG wire, Surpassing the amperage rating of any electrical wire is highly dangerous and not safe and can cause the wire to become over heated which could lead to a fire.



How Many Electrical Wires in Conduit


How Many Electrical Wires Can Be Put Into Electrical Conduit – It is very important to understand the limitations when installing wire into conduit and Wire insulation is rated upon the amount of heat it can safely withstand.



Outdoor Electrical Wiring Requirements


How to Install Outdoor Electrical Wiring



Where to Locate a Bathroom Light Switch


How to Locate and Wire a Bathroom Light Switch



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