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Existing Light and Outlet Wiring


Debbie in Massachusetts asks: I have an existing light that is controlled by a switch, How Can I Extend the Wiring for a New Switched Outlet?



Electrical Code for New Construction and Ground Rods


New Construction and Ground Rods: What is the current code for ground rods on new construction?



How To Wire 3-Way Switches


How to Wire Your 3-Way Switches: I have a stairwell with two three-way switches that have never worked correctly.



Flickering Power at Electrical Outlet


Troubleshooting Electrical Outlet Problems: I have 120VAC coming to my receptacle however when you plug something it just flickers.



Connections for Electric Batteries


Battery Connections and Voltage Output: The Difference Between Series and Parallel Connections



Electrical Wiring for Post Lights


Electrical Wiring and Fixture Checks for Post Lights: I have a post light that isn’t working. There is power coming through the post wires.



Electrical Symbols and Wiring Diagrams


Electrical Symbols: How do I identify electrical symbols used on site plans?