$page_name : category
Large screen
Medium Screen
Small Screen
Extra Small Screen

Lamps by Ansi Code 

Lamps by Ansi Code
A three letter system that has been devised to describe lamps of different manufacture but the same application.The letters have no relationship to lamp description, but the same letters always designate the same type of lamp.Some of the application parameters they define are wattage, base type envelope size, and light center length.