The priority of any construction trade should be the safety of the people who will occupy the space they are preparing. As a result, builders increasingly choose flame retardant and safer-burning materials for enclosed settings where people gather. This has created an increasing demand for the development of low-smoke zero-halogen cables (LSZH).
As a safe building cable option, LSZH cable allows your building, automation, and networking projects to feel safe inside and out. LSZH cable can be beneficial anywhere there is an increased need to avoid a fire hazard.
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As a top industry supplier for numerous wire and cable types, Remee Wire & Cable is pleased to provide you with various modified standard and custom-made LSZH cables for your next construction project. Within this blog, well briefly explain LSZH cables and how their operating characteristics and safety benefits can be used in your next project!
Builders initially limited the use of LSZH cable to environments where groups of people gathered indoors. But over the years, officials have updated building codes to include LSZH cable in many new construction projects.
A few decades ago, safety professionals began analyzing how chemical compounds in wire and cable reacted to combustion. Unfortunately, several fires in the UK during the s produced high death tolls due to the caustic chemicals and dense smoke emitted by PVC (polyvinyl chloride) jacketing in the wiring. These tragedies brought more awareness, increased research, and product development around LSZH wire capabilities from the cable industry.
The adoption of LSZH has occurred at a slower rate in the U.S. than in Europe. Since LSZH cable costs more than PVC and other commonly used jacketing materials, builders have been known to limit its use in the U.S. to venues where they deem its use would be practical and necessary. But with safety becoming more important, as well as using environmentally friendly cable alternatives, LSZH cable is continuing to rise in usage.
As you now know, LSZH is an acronym for low-smoke zero-halogen. But what exactly makes LSZH cable such a good choice for safety measures?
LSZH cable is made with a special thermoplastic jacket. The use of thermoplastic or thermosetting compounds in the jacket is what makes this type of compound exceptionally flame resistant.
The thermoplastic jacket undergoes an endothermic chemical reaction when there is a fire. By absorbing the heat energy and releasing steam when the compound reaches a certain temperature, it allows the cables to be protected.
The steam dissolves into the toxic and flammable gasses that are formed by the fire and form a char layer to protect the cable. It reduces the total amount of material that could potentially allow for combustion and prevents harmful particles from being released into the air.
This allows LSZH cable to emit far less smoke than other materials. As a result, the smoke is thin and not harmful to humans, as opposed to burning PVC, which, when exposed to moisture, produces a corrosive chemical compound. Its a highly lethal combination that can destroy lungs and other soft respiratory tissue when inhaled.
The development of jacket materials that do not produce harmful chemicals and smoke will continue to gain significance While the performance, reliability, and flexibility of traditional jacketing materials make them indispensable in many cases, the cable industry realizes that safety concerns will always eventually override price differences.
The benefits of using LSZH cable include
LSZH enjoys the advantage of being flame retardant and emitting less toxic gas and smoke when burned. Fire will not usually disable the functioning of flame-retardant cables, so LSZH is suitable for use in fire alarm cables. Whenever a project requires keeping the power on, even in a fire, their use makes perfect sense.
While it is good to know the benefits, the technical specifications of LSZH cables are just as important to determine the usability of LSZH cable in your project. Builders and contractors must consider whether an LSZH solution meets their project specifications like gauge size, voltage, operating temperature, and approved materials.
To help determine if LSZH should be used, use these technical features of LSZH cables:
Increasingly, builders are finding codes that require LSZH cable. Once specified, the choices of what type of LSZH cabling fits a particular job come into play. It is clear to see the numerous benefits (technical or other) of LSZH cable.
Yet, no industry standard is in place that dictates when the extra cost of LSZH cable is warranted. Developers sometimes have difficulty determining when LSZH wire is justified or if the project is better suited for traditional wiring.
At Remee, our team of cable experts understands the nuances involved when deciding whether or not selecting LSZH makes sense for your project. Were here to assist you in making those decisions when its not clear if you need to use LSZH wire or another cable option that we supply.
Sometimes its obvious when to use LSZH cable for certain safety requirements. You can typically justify its use anywhere people gather in enclosed areas. Great examples include:
Additionally, cable manufacturers can combine different materials to create various attributes. So, in addition to LSZH, there are also fire resistant cables with characteristics such as:
At Remee, we understand some jobs require creative solutions. This is why part of our services include custom cabling options. Whether for LSZH cables, or other choices from our extensive cable toolbox, Remee can suit your custom cable needs. See our full list of materials and capabilities to understand just how dedicated we are to providing top customer service.
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As the industry leader in wire and cable manufacturing, we understand that our customers come first. This is why Remee provides standard and custom cables to deliver specialized products that fit your particular needs, including LSZH cable jacketing solutions for a wide range of cables.
Being one of the top suppliers in the country, we offer multiple configurations, composite constructions, and a variety of shielding and jacket coloring/striping options for our cables. Whether you need a short order for one for volume, Remee is staffed with knowledgeable and trustworthy people to get your order delivered as fast as possible without losing quality.
Established in , Remee continues to maintain a high degree of excellence in its products and services. When you choose Remee, you choose a fellow partner with years of industry experience.
Contact us today to get your LSZH cable order started!
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Introduction
In the evolving landscape of electrical wiring, the importance of safety and environmental responsibility is paramount. Low Smoke Zero Halogen (LSZH) wire and cable emerge as a pivotal solution in this context. These materials are not just another option in the market; they represent a significant step forward in addressing safety concerns and environmental impacts associated with traditional wiring. This article delves into the various applications of LSZH cables, shedding light on their unparalleled advantages, particularly in safety and environmental aspects, as pioneered in the industry by leaders like Galaxy Wire & Cable.
Understanding LSZH Technology
LSZH wire and cable are revolutionary in their composition and purpose. Made from thermoplastic or thermoset compounds that emit limited smoke and no halogen when exposed to high sources of heat, these materials stand in stark contrast to conventional PVC cables. The absence of halogens chlorine, fluorine, bromine, iodine, and astatine in LSZH cables is crucial. Traditional wires, when burned, release toxic gases and dense smoke, major contributors to harm during fire incidents. LSZH cables, on the other hand, significantly reduce these risks, making them a safer alternative. This fundamental difference in material composition underscores the LSZH technology's commitment to safety and environmental consciousness, setting a new standard in the wire and cable industry.
Applications of LSZH Cables
The versatility of LSZH cables is evident in their wide range of applications across various sectors. In public buildings such as hospitals, schools, and libraries, where safety is non-negotiable, LSZH wiring is increasingly becoming the standard. Its low toxicity and smoke production characteristics ensure minimal harm to occupants in emergency situations. The transportation sector, including airports, train stations, and subway systems, also significantly benefits from LSZH cables. These environments, often confined and densely populated, require wiring that mitigates the risk of smoke and toxic fume inhalation in case of fires.
Additionally, data centers, which house a vast amount of cables and electrical wiring, are turning towards LSZH solutions. Given the critical nature of the data stored and the complexity of these centers, using fire-resistant and low-smoke cables is a proactive measure to protect both equipment and personnel. Each of these sectors reflects a growing acknowledgment of the need for safer, more environmentally responsible wiring solutions, placing LSZH cables at the forefront of modern electrical installation practices.
Safety Advantages of LSZH Cables
The safety advantages of LSZH cables are rooted in their core properties. Primarily, the low smoke emission characteristic of these cables plays a crucial role during fire incidents. In a fire, visibility is key for safe evacuation, and the reduced smoke production of LSZH cables ensures better visibility, thereby aiding in rescue operations. Moreover, the absence of toxic halogenated compounds means that the fumes emitted are significantly less harmful. This reduction in toxicity is vital in minimizing injuries and fatalities caused by inhalation of toxic gases during fires.
Studies and real-world incidents have shown that environments wired with LSZH cables experience lower risks and damages in fire scenarios. These cables have been instrumental in preventing the spread of fires in critical installations, showcasing their reliability and effectiveness in enhancing overall safety standards.
Environmental Benefits
Beyond safety, LSZH cables present substantial environmental benefits. The non-halogenated nature of these cables means that they emit fewer toxic and corrosive gases when burned. This reduction in harmful emissions is a significant step towards environmentally conscious wiring solutions. Moreover, the manufacturing and disposal processes of LSZH cables are more eco-friendly compared to traditional PVC cables. They are often more recyclable, aligning with global efforts to reduce waste and promote sustainability in manufacturing practices. These environmental advantages make LSZH cables not just a safe choice but also a responsible one for the planet.
Conclusion
In summary, LSZH wire and cable stand as a testament to the advancements in safety and environmental stewardship in the electrical wiring industry. Their widespread applications across various sectors, coupled with their significant safety and environmental benefits, highlight their crucial role in modern installations. As industries continue to prioritize safety and sustainability, the adoption of LSZH cables is not just a trend but a necessity. Companies like Galaxy Wire & Cable are at the forefront of this shift, paving the way for a safer, greener future. It's time for industries worldwide to embrace LSZH technology for safety, for the environment, for the future.
Guangzhou Yinsu Flame Retardant New Material Co., Ltd.
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