A method is provided for installing a system that controls a first switch terminal or equivalent of a building occupied by one or more building occupants. One or more switch terminals of the system are installed where the one or more switch terminals include a plurality of switch terminal parameters for a switch terminal relative to the building. The one or more switch terminals includes: a first computer system coupled to the first switch terminal or equivalent of the building at a first location of the building; and a first plurality of sensors coupled to the first switch terminal or equivalent and the first computer system, at least a portion of the sensors are configured to provide signal data to the first computer system, the first computer system producing a command or data output that relates to at least one of: a command output for a local control system, a command output for a different system, a data output for a different system, a command output for a non-local device or a data output that is a non-local device. Wiring components are coupled to circuitry wiring without live points of contact with the use of a locking mechanism.