What Are Exit Lights
Exit lights are described primarily as emergency lights that power on in the event of an emergency to assist the public in a proper evacuation of a building, although they can be used as a reference of exit on a daily basis. It is typically a LED light or light emitting diode housed internally, either red or green in color, which is wired into the buildings electrical system. Exit Signs are sold in several models, including edge lit, combo, tritium or nuclear and photo luminescent exit lights
. The most energy efficient exit signs are LED, LEC, photoluminescent and tritium. Substantial savings and energy reductions can be achieved with the use of one or more of these more current technologies. While end users probably will not see much in the way of return for just one sign, it is better for the environment and will play a part in the overall plan to reduce energy consumption throughout the United States.
There are other advantages as well. With older incandescent or fluorescent exit signs, there is constant maintenance and a need to change the bulbs frequently. Property management companies and building owners currently using these older exit signs should look immediately into replacements, even if the initial cost seems overwhelming. Replacing older exit signs can cut your energy bill in half paying you back the initial investment in two years or less.
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LED Exit Lights
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Photoluminescent Exit Lights
The function of Exit Lights
Exit lights function twenty four hours a day seven days a week and continue to function when the buildings electricity fails by the use of a sealed lead acid or NiCad battery. The battery backup, also housed internally allows the exit sign to function for a minimum of ninety minutes allowing everyone in the building to evacuate calmly and safely. While some signs can be wired to a backup generator the majority of exit signs in the United States are simply wired via 120 or 277 voltage and contain a battery for emergency purposes. The proper use of exit signs reduces the risk of injuries and even deaths in the event of a fire or serious emergency. Several other uses for exit signs are currently being implemented throughout the county, including low level usage and stairwell usage otherwise known as egress pathways. The most common use of exit lights can be found in large public facilities, commercial buildings and smaller public meeting places. Exit signs are also found in airplanes and on cruise ships.
Codes for Exit Lights
Exit light have been in use for many years and are required by law throughout the country. Underwriters Laboratories (UL) put the signs through a series of rigorous testing ensuring that they meet UL924 standards. Since UL, other laboratories such as Entela Laboratories (ETL), now Intertek, have begun testing exit signs and exit lights
In addition to their life saving qualities, exit signs also serve as a universal symbol across the country. Because building code has approved the use of UL listed exit signs as a standard throughout the United States and CUL for Canada these signs are recognizable and their intended function is understood by everyone. UL listed exit lights are a requirement for every public facility and building owners can be fined thousands of dollars if they choose not to appropriately designate the exits in their facility. Because exit signs were originally sold with incandescent and fluorescents bulbs, building owners purchasing the signs should be aware and try to avoid this technology. T
Before purchasing an exit light, it is advisable to thoroughly understand your city and state codes, and to discuss any concerns with your fire marshal or city inspector. Building owners should seek the help of a professional when any questions arise, and should notify Exit Sign Warehouse immediately if one of their signs stops working or is not functioning properly.