Secondary Protectors for Communications Circuits
standard by Underwriters Laboratories, 01/01/2001

Protectors for Data Communications and Fire Alarm Circuits
standard by Underwriters Laboratories, 06/14/2004

Protectors for Data Communications and Fire Alarm Circuits
standard by Underwriters Laboratories, 02/09/1999

Protectors for Coaxial Communications Circuits
standard by Underwriters Laboratories, 08/03/2001

Attachment Plugs and Receptacles
standard by Underwriters Laboratories, 03/30/2012

Attachment Plugs and Receptacles
standard by Underwriters Laboratories, 04/28/2017

Current Taps and Adapters
standard by Underwriters Laboratories, 01/23/2008

Flatiron and Appliance Plugs
standard by Underwriters Laboratories, 04/28/2017

Electric Heating Appliances
standard by Underwriters Laboratories, 11/07/2014