You're looking for information on UL 242 and a potential PDF version. Here's what I found:
UL 242 is a standard published by Underwriters Laboratories (UL), a non-profit organization that sets safety standards for various products. Specifically, UL 242 covers the "Standard for Medium-Voltage Power Cables" (also known as "Standard for Cables, Power, Medium-Voltage"). ul 242 pdf free
