what is a type a light bulb”
Type “A” is simply the industry standard term for a regular pear-shaped everyday light bulb. Almost all regular voltage light fixtures will take this type of bulb. There should be a tag inside the brass bulb socket on the lamp that shows the maximum watts it is safe to use — 60 watts is pretty low so most fixtures should be fine. Just make sure the socket is rated to at or above the watts of the lamp you are using. In light bulbs, the first letter or letters stands for the shape as in “F” for fluorescent tube, “PAR” for parabolic flood, “R” for reflector flood, “G” for globe (the little round lights you see around bath vanity mirrors), etc.) A second set of numbers you may often see, like A19 or A25, indicate the width of the bulb in eighths of an inch (so an A19 is 2 3/8″ across). If it just says A60 that’s a 60 watt A-lamp. By the way, I hate to be the bearer of bad news, but those expensive “full spectrum” light bulbs are really not worth the money. Many of the powdered phosphors t
