This section of 60598-2 specifies requirements for luminaires with built-in transformers for filament lamps, with supply voltages and output voltages not exceeding: - 1 000 V for class I and Class II luminaires and - 250 V for class 0 luminaires. Is to be read in conjunction with those sections of 60598-1 to which reference is made. This section does not apply to class III luminaires.