Device carrier made of galvanized, profiled sheet steel, surface coated with polyester resin paint, with two side lever locks, LED unit made of extruded aluminum profile, naturally anodized, in housing length for optically continuous light band, front sides made of plastic, variably positionable in the light band. Direct, unshielded light distribution, frosted LED diffuser cover made of polycarbonate. For continuous light band optics. With emergency light battery 3h and integrated status display, three-hour emergency light operation. Heat-resistant cables including 1m connecting cable and 4-pin quick-assembly plug part with tool-free phase preselection and search finger, via an additional pole on the plug part, a conductor of the through-wiring can be used as an unswitched charging phase.