How To Remove A Broken Light Bulb Without Getting Electrocuted. First make sure the light switch is turned off. But a potato will work too.

Often you can unscrew the base by inserting pliers and holding the jaws open as you turn. Use a wetdry vacuum to remove all the broken glass in the light bulb holder. Round the end of the potato with a knife.
Soap has been recommended as the easiest means to remove a broken light bulb by some but it may require a bit of cleanup afterwards.
Firmly grab the bulbs metal base and turn but avoid damaging the light fixtures metal screw-shell lamp holder. The more appropriate term for changing a light bulb would be can you get. One thing that Ive found to be effective to remove broken light bulbs in the house is to take the bowl end of a wooden spoon and push it up into the opening of the broken part of the bulb then use the spoon in a manner somewhat like a screwdriver. The potato should grip the base of the bulb and turn it while the socket remains still.
