IEC 60432-1:1999+A1:2005+A2:2011 specifies the safety and interchangeability requirements of tungsten filament incandescent lamps for general lighting service having: - rated wattage up to and including 200 W; - rated voltage of 50 V to 250 V inclusive; - bulbs of the A, B, C, G, M, P, PS, PAR or R shapes* , or other bulb shapes where the l