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Emergency Lighting and UL 924 – What do you need to know?

Understanding the UL 924 standards

While shopping for emergency lighting fixtures or exit signs, you have probably seen that many products come with a label or description that says “UL 924 listed”. In this post, we’re going to briefly discuss what UL 924 means, what the UL 924 requirements are, and why Emergency Exit Signs and Lights with this certification are encouraged. 

What does UL 924 mean?

The Underwriters Laboratory (UL) is an independent testing organization established in 1894 that provides testing and safety certifications for all types of products, components and materials. UL 924 is the Underwriters Laboratory “Standard for Safety of Emergency Lighting and Power Equipment.”

When you see “UL 924 Listed” or “UL Listed”, this means that a product and all of its components have been tested and reviewed by the Underwriters Laboratory, and has been certified to meet or exceed specific safety and fire hazard codes required for all commercial properties in the United States.*

What are the UL 924 requirements?

For emergency lighting to be considered UL 924 compliant, the light fixture must provide illumination for at least 90 minutes in the event of power failure due to an emergency or other situation. This is the time estimated to be long enough for the occupants of a building to safely evacuate in the event of a disaster, especially without any injury that could potentially make evacuation more challenging. In order for the emergency light to remain lit for at least 90 minutes, it must be connected to an internally hardwired backup battery.

In addition to that, it has been determined that the emergency lighting fixture should provide immediate and sufficient illumination in the event that there is a power outage.

Emergency exit signs also come under a similar set of regulations when it comes to UL 924 compliance standards. The hardwired battery backup systems inside exit signs, which provide illumination during power outages, also must provide at least 90 minutes emergency operation. Exit signs and combo units can also be directly connected to the building’s backup power supply. Underwriters Laboratory allows for the color of an emergency exit sign’s letters to either be green or red, and the letters will need to be at least six inches tall, with a letter thickness that measures ¾ of an inch. It should also have 3/8 of an inch in space between its letters. 

The UL Listed Logo, when found inside an Emergency Light Fixture or Exit Sign, means that the unit meets UL 924 standards.

In addition to all of this, the signs need to have at least 0.06 feet per lamberts in luminance, as well as the ability to be seen from at least 100 feet away. While there are some anomalies to the viewing distance rule, this will only be allowed if the emergency exit sign is marked with what the actual viewing distance is.

Why should you purchase UL 924 listed fixtures?

In short, peace of mind. The UL 924 label means that your life safety product is code compliant nationwide*, and has been thoroughly tested for reliability and performance.

*Except in certain jurisdictions, e.g., New York City and City of Chicago.

Exit Sign Mounting Configurations Explained

When deciding what type of exit signs or emergency lights to purchase, mounting configuration can play a very important role. To those not familiar with mounting configurations, the terminology can be very confusing. The following photos will help you not only to understand what each term means, but will clarify which mounting configuration is best for your installation.

Flush Mount / Wall Mount:

Does not involve the use of mounting canopy.  Units typically have knock-out pattern on back plate to mount directly to junction box. (May also allow for “Ceiling Mount” in emergency light fixtures only.)

Wall Mount Exit Sign

Ceiling Mount:

Typically requires use of mounting canopy from top of fixture. Some units may further specify Drop Ceiling/New Construction or Sheet Rock/Remodel applications. Use of ceiling mount for exit signage may require double face. (May also allow for “Wall Mount” in emergency light fixtures only.)

Continue reading “Exit Sign Mounting Configurations Explained” »

Alternatives to hard-wired Exit Signs. Tritium Exit Signs VS Photoluminescent Exit Sign?

Non-Electric Exit Signs have increased in popularity over recent years because of their energy efficiency, ease of installation and decreased costs.  An exit sign that does not require electricity to operate is clearly the most energy-efficient.  Compared to Hard-Wired Exit Signs, Non-Electric Exit Signs don’t connect to a building’s power supply, which results in a faster & cheaper installation, while additionally reducing long term costs of power consumption and maintenance.

What Non-Electric Exit Sign is better?  Let’s briefly discuss the difference between Tritium and Photoluminescent Signs and then weight the Pros and Cons. 

Photoluminescent Exit Signs

Photoluminescent (power free) exit signs require no electricity (AC) or battery power to work. They are illuminated via photoluminescence (“glow-in-the-dark”). Since no AC connection is required, installation is incredibly simple and does not require access to conduit, an outlet, or the services of an electrician (minimal installation costs). Since no power is consumed, there is zero lifetime power consumption cost! Since there are no electronics or batteries, these signs also enjoy zero maintenance costs!

Photoluminescent Exit Signs
Photoluminescent Exit Signs glow

Photoluminescent tape and emergency egress signs absorb and store energy from ambient light (requires 54 LUX -5-ft candles- of fluorescent, LED, metal halide or mercury vapor light to charge material for 60 minutes). In the event of an emergency involving blackout or smoke-laden conditions, the photoluminescent product is immediately visible, providing a safe, illuminated evacuation path. Photoluminescent products can be installed easily in any location with sufficient ambient light source. We carry a variety of photoluminescent exit signs to meet your specific needs.

Photoluminescent Exit Signs last for approximately 25 years with minimal maintenance.

Continue reading “Alternatives to hard-wired Exit Signs. Tritium Exit Signs VS Photoluminescent Exit Sign?” »

Emergency Lighting 101 – Crash Course

Emergency Lighting encompasses Emergency Light Fixtures, Exit Signs, Exit Sign + Light Combos and more. These units often go unnoticed until they are needed. Neglecting your facilities emergency lighting is a decision that could put you in risk of fine, legal action or serious danger for you or your patrons. What rules govern emergency lighting? What should I know post-purchase?

There are a number of regulations or codes that are imposed on Emergency Lights and Exit Signs from various authorities such as OSHA (Occupational Safety and Health Administration) and NFPA (National Fire Protection Association). Additionally, your local jurisdiction may impose their own codes and requirements for emergency lighting. Your local Fire Marshal or Inspector is your go-to resource for understanding these code requirements.

Continue reading “Emergency Lighting 101 – Crash Course” »

The Exit Light Co. Launches New Website

We are happy to announce that over the New Year we updated our ExitLightCo.com website.  If you’ve visited our site in the past, you will notice some major differences.  Our goal is to provide an exceptional Customer Experience through our easy to use website.  In this post, we will highlight some of the major changes that were made.

Condensed Products

In an effort to simplify the process of finding the Emergency Lighting or Egress Lighting product of choice, we have condensed many products that used to have their own individual listing, into one individual listing for all available options.  For example, our top selling Exit Sign is the “Standard Red LED Exit Sign | White or Black Housing“.  This Exit Sign has a number of options, such as ordering the unit in white or black and choosing the Operation Type of the exit sign.  Continue reading “The Exit Light Co. Launches New Website” »

CEC and Title 20 – New Regulations for Emergency Lighting

Newer Lighting Regulations have come to California under Title 20.  What is Title 20?  Who Created it? Keep reading to find the answer.

What is the CEC? The CEC (California Energy Commission) is the state of California’s primary energy policy and planning agency. It is focused on reducing energy costs and the environmental impacts of energy use—such as greenhouse gas emissions— while ensuring a safe, resilient, and reliable supply of energy. While the CEC has regulatory authority for most products sold or offered for sale in the state of California, its policies impact products produced for other regions as well.

What is Title 20? Title 20 is a part of the CEC’s Appliance Efficiency Regulations, from the California Code of Regulations.  The California Energy Commission adopted new standards updating the 2015 Appliance Efficiency Regulations (Title 20) for lighting appliances. The first updates to this set of Regulations was released in January 2018 and Tier 2 will be effective July 1, 2019. Continue reading “CEC and Title 20 – New Regulations for Emergency Lighting” »

A switch to led lighting met amazing results in one Indian Factory

This week in an “All Things Considered” story from NPR, we learned a good lesson in Energy Efficiency from a factory in India that switched its clothing factory from fluorescent light tubes to energy efficient LED lights. Generally, factories in India don’t have fans, Air Conditioning none the less. When a company representative visiting the factory realized the hot temperature that thousands of workers had to endure, he knew something had to change. The whole factory removed its fluorescent lighting, and replaced the factory with LEDs. What was the expectation of switching to LED lighting? The Company Representative stated : “Look, if you’re consuming a seventh of the energy, you’re probably dissipating something like a seventh of the heat as well.” It was expected that a swith to LED lighting would reduce the temperature inside the factory. What results did this experiment result in?

Switching to LEDs did indeed prove to reduce the factories temperature. The evidence shows that a switch to LED lighting reduced the temperature of the factory by over 4 degrees. This switch resulted in a boost in profits due to increased productivity, covering the cost of replacing the fluorescent lighting fixtures in just eight months. Continue reading “A switch to led lighting met amazing results in one Indian Factory” »

About Certification Marks

You see them on every piece of electronics you buy — whether for personal use, business, or work. But what does that stamped UL, ETL, or CSA indicate? These are Certification Marks, and they provide assurance that you can rely on a standard of safety and performance from the products. All products sold in the United States must pass through a battery of tests performed by a Nationally Recognized Testing Laboratory (NRTL) to prove that the product meets or exceeds national safety standards. Products that pass this inspection and testing process carry the Certification Mark for the laboratory that provided the testing (UL for Underwriter’s Laboratories, ETL for Intertek Testing Services, and CSA for Canadian Standards Association). It doesn’t matter which mark the product carries, as long as it is from one of the organizations that are recognized by the Occupational Safety & Health Administration (OSHA).

 

You can be assured that all products which carry an OSHA recognized NRTL mark will comply with the various safety codes (buidling codes, electrical safety codes, municipal codes and fire codes), has been thoroughly tested by third party laboratories to strict specifications, and complies with all current standards.

 

All emergency lighting and exit signs sold by The Exit Light Company carry Certification Marks. Please see our FAQs to learn more about Certification Marks and NRTLs.

The Exit Light Company Recognized Again for Providing Excellent Customer Satisfaction

The Exit Light Company Receives 2017 Spectrum Award for Excellence in Customer Satisfaction

It’s a three-peat! For the third year in a row, The Exit Light Company has been awarded with the prestigious Spectrum Award for Excellence in Customer Satisfaction.

 

The Spectrum Award of Excellence in Customer Satisfaction was established to spotlight companies and business professionals providing exceptional service and experiences to their clients and customers.

 

The Exit Light Company appreciates that our efforts at providing exceptional products with exceptional service are recognized. We will continue to strive for excellent customer satisfaction.

The Exit Light Company Expands Operations in the Mid-West

The Exit Light Company's Wichita, Kansas warehouse

The Exit Light Company is pleased to announce the opening of our newest shipping center in Wichita, Kansas. Our new mid-west facility allows us to provide affordable 2-day delivery service to most of the central United States. We have always prided ourselves on providing quality customer service, and one of our hallmarks is our fast turnaround from order to delivery. The new fulfillment center in Wichita allows us to reach even more of the continental United States with quick, efficient and affordable product delivery! And because we pay less on shipping, we can pass those savings on to our customers, or continue with our offer of free ground shipping on orders of 6+ items* to our customers (*Some restrictions apply). Our customers can expect our same world-class customer service, free shipping, but now can expect even quicker delivery!