Tag Archives: Photoluminescent egress path markings

Photoluminescent Egress Path Markings: How Do They Help Occupants in an Emergency?

Photoluminescent demarcation lines were commonly placed on planes, ships, or other modes of transportation to compensate for power outages. Today, self-luminous egress safety products are being placed in buildings to provide additional visibility when lighting is at a minimum or not present at all. Path markings do not light up an entire area but instead [...]

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The World Trade Center Attacks and the Need for Exit Path Markings

In the 1993, the World Trade Center bombing redefined the importance of photoluminescent egress path markings in vertical exit enclosures. Terrorists parked a bomb-laden truck under the World Trade Center’s North Tower. When the bomb exploded, it destroyed the towers’ emergency power supply system, rendering the backup lighting in their vertical exit enclosures inoperable. Consequently, [...]

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