Manufacturing High Quality Products

Code Compliance: NFPA - IBC - OSHA - IFC - ICC - ADA

Code Approved: UL 924 - UL 1994 - ASTM 2072 - M.E.A.


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Your Forever Exit SignTM


Not all Photoluminescent Exit signs are created equal. To make sure that you are meeting the code requirements for UL 924 Listed photoluminescent exit signs, select a Photoluminescent Exit Sign that is listed and recognized by a reputable third party inspection company. Our UL 924 Photoluminescent Exit Signs are listed and marked with the Trusted ETL mark that displays the code compliance to the UL 924 Standard.


NightBright USA photoluminescent exit signs glow in the dark and reduce panic by providing directional way finding, and points of reference. Our Photoluminescent Exit Signs only require 5 foot candle of ambient lighting to charge, and they will continue to glow the code required time with an intense afterglow sufficient to have the UL 924 Standard listing.


The smart solution for all your UL 924 Photoluminescent Exit Sign, Glow in the Dark Emergency Sign, Evacuation Sign and Safety Sign needs. NightBright USA Photoluminescent Exit Sign Technology provides a reliable, luminous and unambiguous exit path from fires and/or blackouts during a natural or man-made disaster.

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In 2000 the NFPA Life Safety Code was updated and now recognizes certain Photoluminescent Exit Signs as an alternative to internally lighted electric powered signs. A photoluminescent exit sign absorbs light from an activation light source in order to emit light (that is, luminescence). The photoluminescent exit sign continues to emit light for a time after the activation light source has been removed.

Photoluminescent Exit signs are in the category of an Internally Illuminated Sign. The photoluminescent exit signs are permitted, provided they are listed in accordance with UL 924, "Standard for Safety Emergency Lighting and Power Equipment" and meet all the requirements outlined in the criteria from the Life Safety Code 101, 2006 edition parts Our UL 924 Listed product line meets the requirements set forth by the ICC in the International Building Code (IBC).

Requirements for Exit Sign Illumination

NFPA 101 defines the methods of illumination for exit signs:

  • Externally illuminated - the light source is contained outside of the device or legend that is to be illuminated. The light source is typically a dedicated incandescent or fluorescent source;

  • Internally illuminated - the light source is contained inside the device or legend that is illuminated. The light source is typically incandescent, fluorescent, electro luminescent, light-emitting diodes, or photoluminescent;

  • Photoluminescent Exit Sign - the sign is illuminated by self-contained power sources and operates independently of external power sources. (Batteries do not qualify as a self-contained power source.)

  • Photoluminescent Exit Sign - The face of the photoluminescent exit sign sign must be continually illuminated while the building is occupied. The face of the photoluminescent exit sign shall be illuminated according to its listing from the face of the sign. The illumination has to be a reliable source as determined by the Authority Having Jurisdiction, AHJ. The AHJ is the ultimate arbiter concerning safety practices and safety equipment for a particular locality. The charging light must be of the same type that is specified on the sign.
    Photoluminescent Exit Signs and Photoluminescent Egress Path Markings need a specific type of light and a minimum level of light on the face to assure that the sign will be able to provide adequate illumination in an emergency situation. During illumination the sign shall not be connected to an automatic timer.



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NightBright USA proudly supports a Nationwide network of resellers, and our suppliers can provide the products you need, when and where you need them.

NightBright USA prides itself in being able to deliver Customer Service and Quality Products through our Reseller Partners. Our network of resellers will provide prompt service and deliver NightBright USA’s quality products wherever you might need them. Through the power of this network, NightBright USA is able to reduce excessive shipping costs and provide direct savings back to you. To find a reseller conveniently located in your area, call NightBright USA toll free at (888) 987-2336 or in Houston, TX at (713) 596-8085 today for more information.