The Three-Phase Power Bus is designed to be installed on the Mobile Workstation. It allows students to power the electrical equipment that they have set up with three-phase power accessible through a wiring trough and a lockable disconnect switch ensures their safety while making connections.

Note: the above picture shows the 120 V 60 Hz variant of the Three-Phase Power Bus. 220 V variants include a safety switch, a three-phase transformer, and a wiring trough.