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Articles about National Electrical Code

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.



Kitchen Countertop Receptacles NEC 210-52


What is the NEC Code for Kitchen Counter Top Outlets? The Electrical Code Requirements for Kitchen Counter top Receptacle Circuits.



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.



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.



Install New Wiring in a Main Panel


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



Should I Install a GFCI Circuit Breaker or a GFCI Outlet


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?


Does a GFCI Outlet need to be grounded?



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 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



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.



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



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.



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.



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?



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