Track lighting is no longer limited to galleries and boutiques—track systems are increasingly being installed in kitchens, living rooms, and entryways. The biggest advantage? Just one connection to the wiring and complete freedom: you can move, rotate, and add spotlights without having to chisel into the walls. In this guide, we explain what a busbar system consists of, how a single-phase busbar differs from a three-phase busbar, and how to install a busbar step by step.