UL Online Downloads and Resources
Here you will find the information and resources that can make your path
towards UL Recognition an easier and more informed one. From
process documentation to downloadable Gerber Data, published
articles and requests forms, the Microtek UL Resource library is
here for your continued education and support.
You may choose from the information links below:
Artwork Sample Request Form 
7-Step Long-Term Thermal Aging Guide - LTTA 
PWB Quote Request Form and Checklist 
Searchable Database of UL Listed Manufacturers 
Process and Procedures Reference