Lighting system for recovery of consumed electrical power, has recovered electric current re-supplied via main switching-and control-unit

摘要

A lighting-system includes a lighting installation (1) with a lighting module (2) absorbing the consumed electrical power of the lighting installation (1) and the recovered electrical current is re-supplied through the electrical conductor (4) via the main switching- and control-unit (3) and through the electrical line (5) to the lighting installation (1) for its supply.