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Articles about electrical code

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.


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Generator Transfer Switch Using Circuit Breakers


Can You Make a Generator Transfer Switch Using Circuit Breakers? How to Use a Circuit Breaker Interlock Kit for a Generator Transfer Switch.


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How Many Wires are Allowed in a Recessed Light Box


Installing and Wiring Recessed Light Fixtures: NEC 314.16 and Box Fill, What does it mean when a light fixture wire box specifies a maximum number of wires?


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Grounding a Panel in a Detached Building


What are the Electrical Codes for the Grounding System of a Sub Panel in a Detached Building?


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Guest House Electrical Wiring


Question: I own a 1960s home with a 100 amp service panel. Behind the house is a detached guest house. There is a 40 amp 220 feed going from the main panel to a sub panel outside the guest house. They used number 8 wire in metal conduit through the attic going into the ground.


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Apartment Keeps Tripping Electrical Circuit


Why an Apartment Unit may be Tripping a Circuit Breaker: Why is my apartment tripping the circuit breaker?


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Adding a Conduit to a Main Panel


On a main panel for residential application would I need a Meyers hub when drilling my own hole in the side? It will be above a concentric knockout, and used for solar instillation.


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What Size Wire for a House Electrical Panel


What size wire should I use? Long Distance Underground Electrical Services Require Considerations


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How to Wire Electrical Circuits for a Kitchen


What are the electrical codes for wiring kitchens? Wiring Electrical Circuits for a Kitchen: The Electrical Codes for Wiring Kitchens.


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Troubleshooting a Bathroom Outlet Problem


Mike in Vancouver, Washington asks: I had an outlet go bad in a bathroom and there were popping and crackling sounds, what would cause this? How to Correct an Outlet Voltage Problem, Troubleshooting Outlet Wiring Connections, Neutral Wires and GFCI Outlet Circuits.


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Electrical Wiring Methods in a Modular Home


I have a new home and I have several electrical questions about electric wiring codes which these issues may violate: Electrical Wiring Methods and Procedures Reviewed.


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Electrical Wiring for a Garage Workshop


Installing an Electric Panel for a Detached Garage: Electric Codes for a Detached Garage Panel, Can I use a Main Lug Only Electric Panel Load Center for a detached garage?


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Installing an Underground Electrical Service and Pull Box


How to Install an Underground Electrical Service for a Home: Electrical Pull Box And a PVC 90 Degree Sweep to the Panel, Electrical Code about a Main Electrical Service Disconnect Switch.


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Upgrading Electrical Wiring for Home Buyer Safety


How to Upgrade the Home Electrical Wiring: Electrical Upgrades to Make Before Selling a Home, Electrical Codes and Wiring Upgrades.


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Installing an Outlet in the Ceiling of a Building


We have been installing 110v receptacles in above grid locations. My question is in regards to above ceiling electrical outlets in plenum non-plenum ceilings.


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Air Conditioning Electrical Circuit Requirements


How to Know if your Air Conditioner Requires a New Electrical Circuit


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