An analog IC (typically CMOS) which, on command, either passes or blocks an electrical signal. Intersil is the leading worldwide supplier of DI (dielectric isolation) and JI (junction isolation) analog switches. See DI and JI.

Are used to easily reconfigure the electrical feeds on a distribution system should repairs or maintenance be needed. By reconfiguring the circuit the number of customers without power can often be minimized.

Controls for electrical devices.

Circuit interruption devices used to control the flow of electricity to lights, appliances, and outlets.

A switch is a device for making, breaking, or changing the connections in an electric circuit.