Uk light bulbs range of Screw fitting candle lamps with a E12 base cap, (12mm diameter of the thread peaks) they are 240 volts and are available in 25 watt ,40 watt and 60 watts, they are used in American fittings known as c7 cap, E12 is the size we know, e12 stands for 12 mm across the screw thread, the base is 1mm smaller to allow it to fit in the fitting, they are used in fitting from America like chandeliers, wall lighting were a 240 volt E12 fitting is used, 25 watt is common in chandeliers, more so in the large chandeliers, Table lamps and wall lights use 40 watt or 60 watt.

Candle bulb 25watt Base E12	Candle bulb 40 watt Base E12	Candle Bulb 60watt Base E12	Candle bulb 60 watt Base E12 frosted