11 Lighting apparatus and lighting systems, namely, luminaires for general lighting, fluorescent lamps, HID lamps, incandescent and halogen lamps, LED luminaires, xenon flashtubes, lighting apparatus and lighting systems for task lighting, portable lighting, high bay lighting, self-sustained emergency lighting, emergency lighting for secondary power supplies, signaling lights, linear lights, pendant lights, flood lights, floating lights, handlamps, tank inspection lights, repair lamps, compact luminaires, escape path marker luminaires, flash lights, lighting systems, namely, central battery systems, group systems, digital controlled luminaires including monitors and masters for digital controlled luminaires in particular for use in blast hazard areas, in vehicles, aircraft and ships and in firedamp areas