Connect the live wire to the switch input. The neutral wire goes directly. If you're looking to install a switch box in your home or office, it's important to understand the process involved and the key steps to follow. A switch box is a crucial component of any electrical system, allowing you to control the flow of electricity to various devices or lights. There are no specific requirements for this document. The information in this document is based on these software and hardware versions: These switches require the use of either a rollover or. Also included are wiring arrangements for multiple light fixtures controlled by one switch, two switches in one box, and a split receptacle controlled by two switches, plus more.