Senior Moments, you clearly have an advantage over buyers in the UK where the only information on the packaging is the wattage and the type of fitting. I don't know if the life of the bulb is quoted, but it is very easy to increase the light output of a bulb by reducing its expected life. When I worked in the lighting industry I plotted graphs of life versus light output and a relatively small reduction in light output can double the life of the filament. This is the basis of so called 'long life' bulbs.
Mar 11 2002, 10:45 AM
Incandescent bulbs are very inefficient, converting only 1 or 2 percent of the energy into light (the rest is wasted as heat). Energy saver lights are several times more efficient and last many times longer. They are based on fluorescent tube technology, though they fit into normal bulb holders, and are much more environmentally friendly.