UL Subject 497B

Standard for Protectors for Data Communications and Fire-Alarm Circuits (CSDS Proposal, 10/26/2012)

Underwriters Laboratories, 10/26/2012

Publisher: UL

File Format: PDF

$130.00$260.96

Published:26/10/2012

Standard for Electric Duct Heaters (CSDS Proposal, 2/14/2014)

$128.00 $256.38

Standard for Hose Nozzle Valves (CSDS Proposal, 2/14/2014)

$107.00 $214.35

Outline of Investigation for Medium- and High-Expansion Foam-Extinguishing System Equipment and Concentrates (Outline, 1/24/2014)

$109.00 $218.32

Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 2-201: Particular Requirements for Control Equipment

$261.00 $523.00