bulb

Can anyone advise if a high pressure sodium mixed spectrum bulb uses up a lot of electricity and also is it safe to leave on.

I saw this and thought of us. A little light hearted fun at this jolly time of year. How many forum members does it take to change a light bulb? 1 to change the light bulb and to post that the light bulb has been changed 14 to share similar experiences of changing light bulbs and how the...