Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

Underwriters Laboratories Inc. (UL), Northbrook, Ill., celebrates the 100th anniversary of its first safety standard. UL has published nearly 900 Standards for Safety since 1903 and its familiar mark ...

BALTIMORE—UL announced a new standard for managed video services, UL-827 b. "[We're] trying to establish a baseline of requirements for the industry, while the [managed video] industry is still fairly ...

Plug-in solar, also known as balcony solar, is a popular option in Europe, and it's now starting to be introduced in the ...

At the request of burner manufacturers, UL developed a preliminary draft of biodiesel blend requirements to be added to UL 296. For every unit of fossil energy it takes to produce biodiesel, 4.56 ...

NORTHBROOK, Ill.—Underwriters Laboratories is launching the first digital-camera performance standard in February and plans to have some cameras certified in time for ISC West, Bob Jamieson, UL ...

TORONTO, ON / ACCESSWIRE / November 12, 2020 / Kontrol Energy Corp. (CSE:KNR)(OTCQB:KNRLF)(FSE:1K8) ("Kontrol" or "Company") is pleased to announce that it has received UL standards approval for its ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Diving into the world of Underwriters Laboratories (UL) can be more overwhelming than trying to ...