Why are exit signs needed in commercial buildings? Well really their main purpose is to guide you if there is an emergency, like a fire or power outage. Self Luminous Exit Signs are very handy when it comes to power outages, they do not require power, really they are glow in the dark signs that can last from 10-12 years.

There are also Photoluminescent Exit Signs that work a little differently Photoluminescents is a process in which a substance absorbs photons (electromagnetic radiation) and then re-radiates photon. Pretty much it’s a sign that will glow on its own for about 90 minutes after exposure to light. It’s really a very interesting product.

Of course their are also your standard LED signs and braille exit signs as most building codes now require these as well. It’s really very interesting that so much thought and work has gone into making sure we can all get out of a building safely and fast. I like the idea.

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