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Tag: PL

To NFPA 101 Life Safety Code Means of Egress Panel: Listen up!

To NFPA 101 Life Safety Code Means of Egress Panel: Listen up!

When it comes to the illuminance requirements for exit signs, all exit signs need to be evaluated on a level playing field.  It's not as though smoke or fire near a doorway will choose to ease up because the exit sign above the door won't be bright enough for people to see.  Not to mention, ambient lighting has an adverse effect on exit sign visibility, especially in smoke. Every exit sign needs to meet the illuminance requirements in UL 924! So why does the NFPA Read more [...]
Green in color only, sometimes. Concerns over advertising claims for Photoluminescent exit signage

Green in color only, sometimes. Concerns over advertising claims for Photoluminescent exit signage

Caveat Emptor, and Carry a Flashlight? Photoluminescent (PL) exit signs can be an excellent addition to the life safety outfitting of many facilities.  Their ease of application and use lend them to be favored by many building operators and sometimes even required by life safety codes.  However, PL signage must be applied and maintained properly and has its limitations.  Too often advertising claims gloss over or ignore some very critical points that anyone considering Read more [...]