Spark Masters

A wiring diagram illustrating a home power backup system with an inverter, battery, and connections to a ceiling fan, light, and wall outlets. The diagram shows how both main power and inverter power are routed to the fixtures and outlets, indicating a switchover setup.

A wiring diagram illustrating how to control a light fixture from two different locations using two 2-way switches and an intermediate switch, typically used for staircase lighting. The diagram shows the wiring path and the placement of the switches relative to the stairs and doors.