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What Does Uukl Stand For

Sarah Jenkins • • 7 min read
What Does Uukl Stand For

Underwriters Laboratories’ UUKL listing is a category code under UL 864, Control Units and Accessories for Fire Alarm Systems.

What is UUKL?

UUKL is an identifier created by UL to identify those products Listed under UL 864 as Smoke Control Equipment. It should be recognized that the UUKL Listing is based on a supplement to UL 864, rather than part of the formal standard.

What UL 864?

UL864 is the Standard for Control Units and Accessories for Fire Alarm Systems, governing the fire protection industry worldwide, with the most recent ninth edition revised in 2008.

Sarah Jenkins
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Sarah Jenkins

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.