March 27th, 2017

Standards Corner – Issue 1 2017

By Joe Musso – UL Standards Program Manager Click here for Standards information. Register here for “What’s New” to receive e-mails twice a month that let you know about the new published UL Standards, Outlines, and Proposals.   UL 325 – Door, Drapery, Gate, Louver, and Window Operators UL 325 remains active with a number of… read more

March 27th, 2017

New Requirements for Worker Safety – HVAC UV Germicidal Irradiation UV-C Fixtures

By Brian Rodgers – UL Principal Engineer & Dean Saputa – Associate member ASHRAE Since the 1990s, ultraviolet germicidal irradiation (UVGI), or light in the UV-C wavelength (specifically 253.7 nm), has been used in HVAC&R equipment to maintain or return cooling capacity to as-built conditions by maximizing heat exchange efficiency. The technology deactivates biological growth… read more

March 27th, 2017

Securing Peace of Mind – Operators and Access Control

By Stephen R. Kuscsik – UL Principal Engineer Perimeter security is a concept that many facilities use to deter unauthorized access to a protected premises. Automatic gates and door operators allow for the convenience of opening gated portals to enter the facilities. Electronic Access Control Systems ensure that only authorized and credentialed users can gain… read more

March 27th, 2017
White Paper: Update – Revisiting Flammable Refrigerants
March 27th, 2017
UL is a Central Figure at the First Meeting of the GSO Notified Bodies Cooperation Group
March 27th, 2017
New Challenges for Appliances Connected to Drinkable Water Mains: Feeling the Impact of the EN 61770 Update
November 7th, 2016
Residential Pool Fences: Did you Know?
November 7th, 2016
Hand-Held Tools, Transportable Tools, Lawn & Garden Machinery:
November 7th, 2016
Standards Corner – Issue 4 2016
November 7th, 2016
The Latest Developments in Flammable Refrigerants