UL Subject 2567
Outline of Investigation for Part 3: Low-Voltage Surge Withstand Telecommunications Polymer Positive Temperature Coefficient Thermistor (PPTC) (Outline, 3/6/2008)
standard by Underwriters Laboratories, 03/06/2008
UL Subject 521
Standard for Heat Detectors for Fire Protective Signaling Systems (CSDS Proposal, 1/18/2008)
standard by Underwriters Laboratories, 01/18/2008
UL Subject 60079-1
Electrical apparatus for explosive gas atmospheres - Part 1: Flameproof enclosures “d” (CSDS Proposal, 12/28/2007)
standard by Underwriters Laboratories, 12/28/2007
UL Subject 1581
Reference Standard for Electrical Wires, Cables, and Flexible Cords (CSDS Proposal, 8/9/2007)
standard by Underwriters Laboratories, 08/09/2007
UL Subject 497
Standard for Protectors for Paired-Conductor Communications Circuits (Bulletin, 12/14/2007)
standard by Underwriters Laboratories, 12/14/2007
UL Subject 1626
Standard for Residential Sprinklers for Fire-Protection Service (CSDS Proposal, 10/5/2007)
standard by Underwriters Laboratories, 10/05/2007