Power Free Exit Signs (No Electricity Required)

Reliable Exit Signs That Work—Even When Everything Else Doesn’t

Looking for an exit sign that works without wiring, batteries, or electricity? You’re in the right place. Below are the Two types of Powerfree Exit Signs 

Power free exit signs—also known as self-luminous and tritium exit signs —are designed to stay illuminated 24/7 without any external power source. That means no electrical hookup, no maintenance headaches, and no worries during outages.

They’re one of the most dependable life safety solutions available—especially in locations where power access is limited or reliability is critical.

Are Power Free Exit Signs Right for Your Project?

They’re a great choice if:

• You want zero maintenance costs over time
• Wiring is difficult or expensive
• You need reliable illumination during emergencies
• You’re working in remote or hazardous environments

However, keep in mind: because they use tritium, these signs must be properly disposed of at end of life per federal regulations.

Photoluminescent Exit Signs (Glow-in-the-Dark & Power Free)

Exit Signs That Charge with Light—And Shine When You Need Them Most

Looking for a power-free exit sign without dealing with tritium or wiring?
Photoluminescent exit signs are one of the simplest, most reliable solutions out there.

They absorb ambient light (natural or artificial) and glow in the dark during emergencies—no electricity, no batteries, and no maintenance required.

Perfect for code-compliant egress lighting that just works.

How Do Glow-in-the-Dark Exit Signs Work?

Photoluminescent exit signs are made with special materials that store light energy.

When the lights go out:

• The stored energy is released
• The EXIT legend glows clearly in darkness
• Visibility is maintained for safe egress

All they need is consistent exposure to ambient light (typically 5 foot-candles or more) to stay fully charged.

Where Are Photoluminescent Exit Signs Used?

These are ideal for locations where simplicity and reliability matter:

• Stairwells
• Hallways and corridors
• Commercial buildings
• Schools and offices
• Warehouses
• Retrofit projects replacing electric exit signs

They’re also a great fit when you want to reduce energy usage or eliminate maintenance costs.

Available Options

At Exit Sign Warehouse, we carry a range of photoluminescent exit signs to match your layout:

• ✔ Single Face & Double Face
• ✔ Directional Arrows (Chevron Options)
• ✔ Wall, Ceiling, and End Mount Configurations
• ✔ Low-Level Egress Markings Available
• ✔ Durable Aluminum & High-Impact Panels

Photoluminescent vs Tritium Exit Signs

Both are power-free—but they work differently:

If your space has consistent lighting, photoluminescent is often the easiest and most cost-effective option.

Frequently Asked Questions

Do glow-in-the-dark exit signs need electricity?

No. They charge using ambient light and operate completely without electricity.

How long do they glow?

When fully charged, most signs provide 90+ minutes of illumination, meeting emergency egress requirements.

Are they code compliant?

Yes—when installed with proper lighting conditions, they are UL 924 listed and compliant with life safety codes.

Do they work in complete darkness all the time?

They need exposure to light to stay charged. If installed in a constantly dark area, a tritium sign may be a better option.

Are they better than electric exit signs?

They’re often preferred for low maintenance, energy savings, and simple installation, especially in retrofit projects.

Why Buy From Exit Sign Warehouse?

We’ve been helping contractors, facility managers, and building owners for over 20 years.

• ✔ Competitive pricing
• ✔ Code-compliant, reliable products
• ✔ Fast shipping
• ✔ Real support when you need it

Whether you’re upgrading existing exit signs or starting a new project, we make it easy to get the right solution.