Photoluminescent glow-in-the-dark exit sign - category image

Photoluminescent Exit Signs

Photoluminescent exit signs store ambient light and glow during a power loss, providing a no-electric path where dependable charging light is available and the project permits the technology. Choose by viewing distance, face count, mounting, environment, and charging conditions.
No Power50/75/100 Ft ViewingCharging-Light DependentNo BatteriesUL 924 Review

Use photoluminescent signs where the sign face can receive dependable charging light. Compare tritium when charging light is not reliable and standard LED signs when wired battery backup is preferred.

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Spec guide

Photoluminescent Exit Signs Buying Guide

Confirm charging light, viewing distance, sightlines, mounting, environment, and project acceptance before choosing a photoluminescent sign.

01

Charging light

Confirm the sign face receives the light level required by the product instructions during occupancy so the material can charge reliably.

02

Viewing distance

Choose 50-, 75-, or 100-foot viewing distance based on path length, mounting height, approach angle, and sightline interruptions.

03

Face and arrows

Match single- or double-face configuration, legend color, arrow direction, and actual travel-path visibility.

04

Environment

Use a wet-location model for exterior, damp, humid, washdown, or exposed areas. Keep indoor models in protected spaces.

05

Compliance review

Confirm product listing, charging conditions, installation, project documents, and local AHJ acceptance before specifying.

Photoluminescent acceptance depends on charging-light conditions, product listing, installation, project documents, and local AHJ approval.

Quick answers

FAQs About Photoluminescent Exit Signs

Expand the questions that match your application, fixture-selection, or compliance review.

Do photoluminescent exit signs require electricity?

The sign itself does not use wiring or batteries, but it does require dependable ambient light on the face so the material can charge.

What viewing distance should I choose?

Use 50-foot signs for shorter paths, 75-foot signs for mid-range corridors, and 100-foot signs for longer sightlines. Turns and obstructions may require additional signs.

When should I choose tritium instead?

Choose tritium when dependable charging light is not available and the project requires a no-power sign path.

Can photoluminescent signs be used outdoors?

Use a model specifically listed for wet, damp, or exterior conditions and verify charging light, temperature, and installation requirements.