A LOAD CONDITIONER

摘要

A load conditioner (1) for the protection of lamp units (2) in a lighting system in which each lamp unit (2) comprises a lamp and lamp control circuitry (3), including a ballast circuit (4), the lighting system having a main power input switch for connecting the lighting system to an AC power supply, the load conditioner (1) having randomising means to vary the time at which the connection of the lamp unit (2) to the power supply occurs. There is further described a method of controlling the operation of such a lighting system.