Articles about Sockets
What could be the problem with a light socket that is not working? How to Repair a Lamp Holder and Why a Lamp holder May Not Work, Here are a few things that I have found that will prevent a light socket or lamp holder from working.
The Danger of Installing Larger Light Bulbs Into Light Fixtures: How to Keep Your Light Fixtures Safe from Fire Danger.
For a type B 60 Watt bulbs, can I use a type A bulb instead?