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Tritium Exit Signs

Tritium Exit Signs

Need standard electric or battery backup exit signs? This page is for tritium self-luminous models. For wired LED, battery backup, red/green, wall, ceiling, or end-mount options, compare standard electric exit signs.
Tritium exit signs (self-luminous) deliver reliable, always-on visibility with no electricity, wiring, or batteries. They are part of our Exit Signs lineup and the non-electrical exit signs family - ideal for stairwells, remote corridors, and locations where power access is limited. Prefer a glow-charge option? Compare photoluminescent exit signs.
UL 924 ListedNFPA 101 CompliantOSHA ApprovedUSNRC CompliantISO 9001 CertifiedQuick Fulfillment

Perfect for stairwells, tunnels, mechanical rooms, or outdoor enclosures with little to no ambient light, each tritium emergency exit sign is UL 924 listed and NFPA 101 compliant when installed according to code. They are ideal for off-grid exit sign applications or locations where wiring is not feasible.

Tritium exit signs are maintenance-free throughout their rated lifespan and include expiration labeling for regulatory compliance. Looking for alternatives for well-lit areas? Check out our photoluminescent exit signs - another no-power emergency sign solution.

When your unit expires, we offer Tritium Exit Sign disposal and recycling services to ensure safe, compliant return.

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Related categories

Compare adjacent categories before reviewing the buying guide and specifications.

Shop standard LED and battery-backup exit signs Use when the building has power available and needs standard wired signs. Compare photoluminescent exit signs Use where reliable charging light is available and a non-radioactive no-power sign is preferred. Review non-electrical exit signs Compare no-power sign families before finalizing the path.

Spec guide

Tritium Exit Signs Buying Guide

Use these checks to confirm a self-luminous exit sign is the right fit before choosing a model, face count, arrow direction, and service life.

01

Compliance and licensing

UL 924 listed; verify AHJ acceptance, radioactive-material labeling, and submittal requirements for general-licensed tritium signs.

02

Lifespan and brightness

Specify 10-, 15-, or 20-year service life and confirm initial and end-of-life luminance meet visibility requirements.

03

No-power operation

Use where AC wiring, batteries, or charging light are impractical. Bright or daylight areas may be better served by other sign technologies.

04

Legend and visibility

Confirm red or green legend, character height, viewing distance, uniform illumination, and clear sightlines on approach paths.

05

Faces and direction

Match single- or double-face configuration and arrow or chevron direction to the actual egress path before ordering.

06

Housing and environment

Choose thermoplastic, aluminum, or FRP housing based on indoor/outdoor exposure, impact risk, UV exposure, and enclosure rating needs.

07

Mounting and clearance

Verify wall, ceiling, or end mounting, projection, headroom, sprinkler separation, and label visibility after installation.

08

Records and end of life

Maintain expiration/date labels, serial/model records, and a return or recycling process for compliant disposal.

Additional resources

Guide Tritium buying guide Lifespan, codes, safety, and application tips. PDF Tritium exit sign download Reference sheet for project review.

Final acceptance depends on the selected product listing, project documents, installation, and local AHJ approval.

Quick answers

FAQs About Tritium Exit Signs

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

Is a Tritium Exit Sign Right for My Building?

Tritium exit signs are ideal where electrical wiring is impractical or unavailable, such as tunnels, outdoor enclosures, mechanical spaces, and remote egress paths. Most buildings under UL 924 and NFPA 101 can use them, but local acceptance should be confirmed with the AHJ or fire marshal.

When Should I Use a No-Power Exit Sign?

Use tritium signs where consistent charging light or electrical power is not available. Common applications include stairwells, underground parking structures, military shelters, storage vaults, and remote corridors.

How Do Tritium Exit Signs Work?

Tritium gas emits low-energy beta radiation that excites phosphor coatings inside the sealed sign, creating continuous visible glow without wiring or batteries.

Are Tritium Exit Signs Safe?

Yes. Tritium signs are sealed, regulated by the NRC, and safe under normal use when intact.

What Are the Disposal Requirements?

Tritium signs must be returned to a licensed facility for proper radioactive disposal. Never discard them in regular waste streams.

Are There Alternatives to Tritium Signs?

Yes. In areas with consistent lighting, photoluminescent exit signs offer a non-radioactive, power-free alternative.

Do Tritium Signs Expire?

Yes. Depending on the model, they last 10, 15, or 20 years. Each sign includes an expiration date and must be properly disposed of at end of life.

Do Tritium Exit Signs Meet UL 924 and NFPA 101?

Yes. Tritium exit signs sold here are UL 924 listed and compliant with NFPA 101 and OSHA life-safety requirements when installed properly.