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When it comes to exit signs and emergency lighting, most customers are trying to solve one thing: Pass inspection and keep people safe. Below are straightforward answers to the most common questions we get from contractors, property managers, electricians, and facility teams.
In almost every case — yes.
If your building serves the public, has multiple rooms, multiple exits, or is used for business, you’re required to have exit signage. These rules are based on:
Your local inspector (Authority Having Jurisdiction) has final say — but if you're running a commercial space, exit signs are typically mandatory.
If a product is UL 924 listed, it means it has been tested for safety and emergency performance.
That includes:
Most inspectors specifically look for UL 924 certification. If it’s not UL listed, there’s a good chance it won’t pass inspection.
At Exit Sign Warehouse, we focus on code-compliant, inspection-ready products.
In the United States, most buildings use red exit signs.
Some states and municipalities allow or require green.
If you’re unsure, check with your local code official before ordering. When in doubt, red is most commonly accepted.
Yes. By code, exit signs must stay illuminated for at least 90 minutes after power loss.
Modern LED exit signs include:
If your sign doesn’t stay lit during a power failure, it won’t pass inspection.
An exit sign shows you where the exit is.
An emergency light lights up the path so you can safely get there.
Emergency lights:
Most commercial spaces require both.
A combo unit includes:
It’s a space-saving solution commonly used in smaller retail, office, and warehouse spaces.
Non-electric exit signs — also called photoluminescent exit signs — absorb ambient light and glow in the dark during emergencies.
They:
They’re often used in stairwells, high-rise buildings, and energy-efficient projects.
Yes — as long as they:
They must be installed in areas with enough normal lighting to “charge” them. If the surrounding light level is too low, they may not meet code.
There are several standard mounting options:
The goal is simple: the sign must be clearly visible from the direction of egress.
Generally, exit signs must be:
Exact requirements may vary by jurisdiction, so always confirm with your local code official.
According to NFPA requirements:
Some exit signs and emergency lights include self-testing features that automate this process and make compliance easier.
UL 924 is the national safety standard for:
If a product isn’t UL 924 listed, it may fail inspection — even if it appears functional.
Before purchasing, confirm:
If you're not sure, our team can help you select the right product the first time.
Yes.
Exterior exit signs must be:
Standard indoor models are not approved for exterior installation.
The most common reasons are:
Replacing outdated units with a modern UL-listed LED exit sign typically solves the issue quickly.
We focus specifically on:
Our goal is simple:
Help you stay compliant, pass inspection, and keep your building safe.
