{"id":37540,"date":"2026-09-25T08:00:00","date_gmt":"2026-09-25T07:00:00","guid":{"rendered":"https:\/\/jelproducts.nl\/?p=37540"},"modified":"2026-07-09T21:44:27","modified_gmt":"2026-07-09T20:44:27","slug":"how-does-emergency-lighting-work-during-a-power-outage-in-a-hot-industrial-environment","status":"publish","type":"blog","link":"https:\/\/jelproducts.nl\/en\/blog\/hoe-werkt-noodverlichting-bij-stroomuitval-in-een-hete-industriele-omgeving\/","title":{"rendered":"How does emergency lighting work during a power outage in a hot industrial environment?"},"content":{"rendered":"<p>During a power outage in a hot industrial environment, emergency lighting must switch immediately and reliably to its own power source so that escape routes, workstations, and hazardous zones remain visible. The major stumbling block in extreme heat environments is that standard emergency lighting systems are often not designed for temperatures above 40 or 50 degrees Celsius. In this article, we answer the most frequently asked questions about emergency lighting during power outages in industrial and hot environments.<\/p>\n<h2>What are the requirements for emergency lighting in industrial environments?<\/h2>\n<p>Emergency lighting in an industrial environment must automatically and immediately activate in the event of a power outage, with sufficient illuminance to enable safe evacuation and the continuation of critical operations. The minimum duration of illumination is typically one to three hours, depending on the application and the risk level of the location.<\/p>\n<p>In practice, it is about more than just a light staying on. A good industrial emergency lighting system meets a number of specific requirements:<\/p>\n<ul>\n<li>Automatic activation upon power failure, without manual intervention<\/li>\n<li>Sufficient light output along escape routes and at emergency exits<\/li>\n<li>Reliable operation under the site-specific environmental conditions, such as heat, dust, or moisture<\/li>\n<li>A built-in or central battery that provides emergency power<\/li>\n<li>Regular testing opportunities, preferably automated<\/li>\n<li>Suitable IP rating for the environment, for example IP65 or higher when exposed to dust and moisture<\/li>\n<\/ul>\n<p>In heavy industry, the location of the fixtures also plays a major role. Emergency lighting must be positioned in such a way that during a total blackout, no dangerous situations arise, not even near machinery that is in motion or processes that cannot be shut down immediately.<\/p>\n<h2>How do extreme temperatures affect the operation of emergency lighting?<\/h2>\n<p>High ambient temperatures are one of the biggest challenges for emergency lighting systems. Standard LED emergency lighting is typically designed for temperatures up to a maximum of 35 to 50 degrees Celsius. In environments such as steel mills, foundries, or drying rooms, temperatures can rise to 80, 100, or even more than 120 degrees Celsius, which severely affects the operation and lifespan of both the light source and the battery.<\/p>\n<p>The battery is the most vulnerable component in this regard. Lithium and NiCd batteries quickly lose capacity at high temperatures and age faster. A battery that lasts three hours at 20 degrees Celsius may be depleted in half that time at 60 degrees. This makes choosing the right technology and correctly dimensioning the emergency power supply essential.<\/p>\n<p>In addition, heat affects the LED driver and the electronics within the fixture. Excessive heat can lead to premature failure, reduced light output, or in the worst case, a fire hazard. Fixtures specifically designed for <a href=\"https:\/\/jelproducts.nl\/en\/high-temperature-lighting\/\">High-temperature lighting<\/a> make use of thermally optimized enclosures and components that are resistant to prolonged exposure to extreme heat.<\/p>\n<h2>Which types of emergency lighting are suitable for hot industrial environments?<\/h2>\n<p>For high-temperature environments, specific types of emergency lighting are required that go beyond standard office or warehouse solutions. The choice depends on the maximum ambient temperature, the duration of the emergency power supply, and the specific risks at the location.<\/p>\n<p>The most suitable options are:<\/p>\n<ol>\n<li><strong>High-temperature LED fixtures with integrated emergency module:<\/strong> Specially designed for environments up to 80 or even 120 degrees Celsius. The emergency module is thermally isolated from the heat source and features heat-resistant battery technology.<\/li>\n<li><strong>Central emergency power systems:<\/strong> The battery is located outside the hot zone, in a cooler room. The emergency lighting itself does not need to contain its own battery, which greatly improves the lifespan and reliability.<\/li>\n<li><strong>Luminaires with high IP and IK ratings:<\/strong> In environments with dust, splashing water, or mechanical stress, luminaires with at least IP65 and high impact resistance are necessary. For more background, view the explanation about <a href=\"https:\/\/jelproducts.nl\/en\/ip-rating\/\">IP and IK classes<\/a>.<\/li>\n<li><strong>Stainless steel design for corrosive environments:<\/strong> In environments with aggressive chemicals or marine air, a stainless steel enclosure is the only reliable choice for long-term emergency lighting.<\/li>\n<\/ol>\n<p>The choice of the right type always starts with a thorough analysis of the environmental conditions. Temperature, humidity, dust load, chemical exposure, and the presence of explosion hazard together determine which system is most suitable.<\/p>\n<h2>What happens to emergency lighting during a power outage in an ATEX zone?<\/h2>\n<p>In an ATEX zone, where there is a risk of explosion due to the presence of gases, vapors, or dust, additional requirements apply to all electrical equipment, including emergency lighting. In the event of a power failure, the emergency lighting in an ATEX zone must switch on immediately without sparking or surface temperatures that could cause ignition.<\/p>\n<p>ATEX-certified emergency lighting is constructed in such a way that the housing does not allow sparks to escape, the maximum surface temperature remains within the permitted temperature class, and the electrical connections are completely sealed. This makes such fixtures significantly more complex and heavier than standard emergency lighting.<\/p>\n<p>An additional challenge is that ATEX zones often also experience high temperatures, for example in the chemical industry or at refineries. In that case, the emergency lighting must be both ATEX-certified and heat-resistant. This significantly limits the supply and requires custom solutions or specialized products. For such applications, it is always wise to consult a specialist who is familiar with both the explosion safety regulations and the thermal requirements of the environment.<\/p>\n<h2>How do you maintain emergency lighting in a demanding industrial environment?<\/h2>\n<p>Emergency lighting in an industrial environment requires a structural maintenance plan because environmental conditions affect components faster than in an office or store. Regular testing and inspection are not a luxury, but an operational necessity.<\/p>\n<p>An effective maintenance program includes at least the following steps:<\/p>\n<ul>\n<li>Monthly function test: check that the emergency lighting switches on correctly during a simulated power failure<\/li>\n<li>Annual endurance test: run the emergency lighting for the full rated emergency power duration to verify the actual battery capacity<\/li>\n<li>Visual inspection of housings for cracks, corrosion, or dust accumulation that hinders cooling<\/li>\n<li>Inspection of cable connections and seals, particularly in humid or corrosive environments<\/li>\n<li>Replacement of batteries based on the manufacturer's life expectancy specifications, not just when they fail<\/li>\n<\/ul>\n<p>In environments with extreme heat, the battery ages faster than the manufacturer indicates for standard conditions. Keep this in mind when planning replacement cycles. Automatic test systems, in which the emergency lighting tests itself periodically and logs the results, significantly reduce the maintenance burden and provide a reliable audit trail for safety checks.<\/p>\n<h2>Real-world example: High-Temperature Industry, Rockwool<\/h2>\n<p>The Rockwool project is a good example of what is involved in lighting an environment with extreme heat. Rockwool produces insulation material based on stone and glass wool, a process where temperatures in the production hall soar due to the presence of melting furnaces and hot material flows. Standard industrial lighting, including standard emergency lighting, is simply not reliable in such an environment.<\/p>\n<p>The technical challenge lay in combining high ambient temperatures with the requirement that lighting must also be available immediately and reliably in the event of a power outage. Luminaires that become too hot fail sooner or produce less light, precisely at the moment when reliability is most critical. The design choice was therefore focused on luminaires that are thermally robust enough to function for long periods in high-temperature conditions, with components that do not rely on cooling by ambient air.<\/p>\n<p>A lesson learned from this project is that emergency lighting in hot environments should never be treated as a standard choice. The battery technology, the thermal buildup of the fixture, and the positioning relative to heat sources together determine whether the system will function during an actual power outage. More about similar projects can be found at <a href=\"https:\/\/jelproducts.nl\/en\/projects\/\">JEL Products&#x27;s Projects Page<\/a>.<\/p>\n<h2>How JEL Products helps with emergency lighting in hot industrial environments<\/h2>\n<p>JEL Products has extensive experience with lighting solutions for environments where standard fixtures fail. For emergency lighting during power outages in hot industrial environments, JEL Products provides concrete support in several areas:<\/p>\n<ul>\n<li>Advice on the correct luminaire selection based on the specific ambient temperature, IP rating, and any ATEX classification<\/li>\n<li>Design of an emergency lighting system that aligns with the layout and risk zones of the location<\/li>\n<li>Supply of heat-resistant LED luminaires, including the Orca and Barracuda floodlights capable of withstanding up to 120 degrees Celsius<\/li>\n<li>Guidance on setting up a maintenance program that aligns with the operational reality of the site<\/li>\n<li>Complete unburdening from engineering to commissioning, including documentation for safety and compliance purposes<\/li>\n<\/ul>\n<p>Whether it concerns a steel plant, a chemical facility, or a production environment with extreme heat, the approach is always custom-made. Contact us via the <a href=\"https:\/\/jelproducts.nl\/en\/contact\/\">JEL Products Contact Page<\/a> to discuss what the best solution is for your situation.<\/p>","protected":false},"excerpt":{"rendered":"<p>Power outage in a hot factory? Discover how heat-resistant emergency lighting up to 120\u00b0C saves lives.<\/p>","protected":false},"author":1,"featured_media":37675,"template":"","categories":[1],"tags":[],"class_list":["post-37540","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hoe werkt noodverlichting bij stroomuitval in een hete industri\u00eble omgeving? | JEL Products<\/title>\n<meta name=\"description\" content=\"Noodverlichting bij stroomuitval in hete industri\u00eble omgevingen vraagt om hittebestendige systemen. 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