How to Install One or More Light Fixtures to an Existing Light Fixture: Wiring for More Light Fixtures, Preventing Circuit Overload by Calculating the New Circuit Load, Locating the Power Source, Making the Electrical Wiring Connections.
How to Install Electrical Wiring the Safe Way – Some electrical equipment requires a separate dedicated 220 volt circuit that is not shared with any other device or equipment.
How to Convert a T12 Fluorescent Light Fixture: Wiring a T12 Fluorescent Fixture for a T8 Energy Efficient Ballast, How do I convert T12 light fixtures to T8 electronic ballasts?