disadvantages of fire resistant cabletracy lawrence fiddle player

GLI INVESTITORI NON DOVREBBERO SOTTOSCRIVERE ALCUNO STRUMENTO FINANZIARIO SE NON SULLA BASE DELLE INFORMAZIONI CONTENUTE NEL RELATIVO PROSPETTO. Firetuf FTP120 - fire resistant armoured power cable You can add a fire-resistant layer to the structure of fire-resistant cables, forming both fire-resistant and fire-resistant cables, but in practice, there is no need for this. Next, the difference between flame-retardant cables and fire-resistant cables is introduced in detail: Many people easily confuse the concepts of flame-retardant cables and fire-resistant cables. A typical jacket material for riser-rated cable is PVC. Generally, for outdoor application where the cables are buried, Low Smoke Zero Halogen properties are not needed as the oxygen level is low and does not support burning. The glass transition (Tg) for Flame Retardant 4 lies between 115C and 200C, depending on the manufacturing method and resin material. The aluminum alloy conductor is added relevant trace elements in the aluminum conductor, so that its resistivity is lower than the pure aluminum conductor, which solves the disadvantages of poor mechanical properties, easy breakage and easy creep of pure aluminum . Some international agencies like BASEC, UL, CE, etc also certifies the fire safety requirement of cables. For example, if the oxygen index of a material is 21 percent, it means that the material will burn by itself even at room temperature because at room temperature the normal oxygen content is 21 percent. Comprehensive Comparison about Flame Retardant Cables Wires and Fire ram31, thanks for expanding on the references and adding the British Standard ones. The difference between flame-retardant cable and fire-resistant cable I have read and understood the above disclaimer. But for more than 750 million people around the world 10% of the global population life without electricity is a daily reality. We are acutely conscious of this fact and we have been the first Company in India who offered FR (Flame Retardant) cables as a standard feature on all our XLPE cables. PROPERTIES. A Complete Guide To Fire Resistant Cables The higher the oxygen index, the more retardant the cable will be. After the test fire source is removed, the flame spreads only within a limited range, and the residual flame or residual burn can be extinguished by itself within a limited time. Fire-resistant wires are a general term for wire and cable with fire performance, usually divided into the flame retardant wire and cable and fire-resistant wire and cable. The process is complicated, the construction is difficult in the oil irrigation area, important wooden public buildings, high-temperature places, and other fire-resistant requirements, and the economy can accept the occasion and use fire-resistant cable. The definition of a fire-resistive or fire-rated cable is a cable that will continue to operate in the presence of a fire. Our FT120 fire resistant cable, which provides enhanced firecable performance with all the benefits associated with pliable alarm cable, is an example of Drakas innovative, market driven approach to making fire rated cables that set the standard for others to follow. The principles of fire-resistant wireand. The addition of various additives can improve its temperature range . Some Features Of Fire Resistant Cables. Discover more about our products below, or visit our product pagefor the full range. It is measured as per IS 10810 Part 59 or IEC 60754 Part 1. These standards specifies various requirements for smoke density rating, halogen content, temperature index, oxygen index, Corrosivity of combustion gases, pH index, flammability tests under different conditions, circuit integrity test, light transmission under smoke, etc. (3) Low-halogen, low-smoke flame-retardant PVC insulation, and sheathing: 70; Halogen-free, low-smoke flame-retardant polyolefin insulation and sheathing: 90 and 125 both. This Q & A is one of thousands posted in our Technical Expertise . Soft-skin flame retardant cables consist of single or multi-stranded conductor cores (copper), individual core insulation (polymer) and an outer insulating sheath (polymer). Flame temperature 950-1000 Flame temperature 750-800 This is even before British Standards for fire resistance became available. Although flame-retardant cables have many advantages that are more suitable for chemical enterprises, such as low halogen, low-smoke flame-retardant . The resistance-to-fire performance is measured as follows: 15, 30, 60, 90 and 120 minutes of operation in a standardised fire condition at European Level (CENELEC) and equivalent international (IEC). FR4 is a multipurpose glass epoxy laminate that features flame-retardant properties, as indicated by the letters "FR" in its name. Fire Resistant Cable | NOTOFIRE For indoor application, Low Smoke Zero Halogen property is a necessity. Q & A of the Day Are PVC cables still available? formed the Li-Fi Consortium with the objective of establishing the new wireless technology in the market. When the cables are exposed to fire, these polymeric materials start decomposing releasing halogen and dense toxic smoke causing asphyxiation and impairing visibility. Conformance to the code requirements of circuit survivability will ensure the performance of the fire alarm system during a fire emergency. Moreover, LSZH cables support the Green movement for environmental safety. We need to have certification from BIS /Central Power Research Institute as appropriate. Some companies can offer low price products, but only in the raw materials, the quality of the product is very poor, the rise and fall of copper prices change, largely determine the price of wire and cable. Due to relative low cost, fire retardant cables are widely used as fire survival cables. Dichiaro di non essere soggetto residente o trovarmi negli Stati Uniti, in Australia, Canada o Giappone o uno degli Altri Paesi e di non essere una US person (ai sensi della Regulation S del Securities Act). However, it is applicable for outer jacket only. Fire Safety Within Europe the European Committee for Electrotechnical Standardization (CENELEC) has standardised the both the designation and colour of cables. FP is the original, easy to install and fully compliant range of fire resistant cables approved by engineers, installers and regulators. In the event of a fire, it may be burned out and cannot be operated, but it can prevent the spread of the fire. Manufacturers have to select the proper source for such cable compounds and sometimes need to blend these compounds in their in-house facilities to meet the desired requirement. Hampshire, Inc. Condition of fire for group of cable is simulated & extend of fire propagation is measured. There is increasing number of cases of fire due to short circuit, and especially in crowded cities, and high rises, lots of lives have been lost. Class B cable can be in 750 ~ 800 flame and rated voltage to withstand burning for at least 90min, and the cable is not broken. PK: Unfortunately, we are not very serious about safety standards in our country. FAQ: The benefits of Silicone insulated cables | Eland Cables cable Fire Resistant Cables maintain circuit integrity even in case the cables come in contact with the fire, thus ensuring that energy supply systems, alarms & emergency lighting, etc. It has been answered by Nexans (Theme Cables, Wiring & Wiring Accessories): Its hard to imagine life without electricity. REQUEST FOR QUOTATION. Class A fire-resistant cable fire performance is better than class B. 100V) Rated voltage (min. Your email address will not be published. 20/09/2013. AB: We as a cable manufacturer have to first ascertain the intended application, i.e., whether the cable is for indoor or outdoor application. The NFPA 262 is the same as CSA FT-6; it measures flame spread and smoke generation in a simulated air handling plenum. It complies with UL94V-0 standards for flame-retardant plastic material. 90 percent of the fires are electrical fires, mainly caused by a Defective Electric Circuit (DEC). Steven has over twenty five years experience working on some of the largest construction projects. Universal Cables Limited manufactures all type of fire safe cables e.g., Fire Retardant (FR) cables, Fire Retardant Low Smoke (FRLS) cables, Low Smoke Zero Halogen (LSZH) cables and Fire Survival (FS) cables. Toget started and understand our policy, you can read our How to Write an Electrical Note. It is often the substrate material of choice for electrical insulation, recognizable by its signature green color. Fire-resistive cables maintain circuit integrity and continue to work for a specific time under defined conditions such as fire. NEC 760.176 (F) requires CI cables for NFPA fire alarm systems used to meet the survivability of critical circuits requirements and be listed for that function per NFPA 72. This condition can be also looked from different angle i.e. SV: The test method specified in ASTM D2863-95 (Measuring the minimum oxygen concentration to support candle-like combustion of plastics). Nowadays almost everything is mechanized & getting more and more hi-tech each day. (1) Flame retardant PVC insulation and sheathing: fixed laying -40; non-fixed laying -15. Halogen-free cable flame retardant principle is to rely on the precipitation of water to reduce the temperature to extinguish the fire roast. ZW cables can meet the standards of fire resistant cables From production, transportation, sales, and other quality control of the entire process, the tests raw material procurement aspects are very strict, the suppliers products, then the quality, price, and service. Furthermore, Jet Fire cables will also meet the . It is measured as per IS 10810 Part 63 or ASTM D 2843. Higher resistance causes radiant heat to build up faster, and this may cause damage to the device. They are less toxic in nature and emit low amount of corrosive fumes. There are excellent reasons to get fiber optics, but one disadvantage is in the fact that it can only propagate light in one direction. Difference between Screened and Unscreened Cable, Information About Submersible Pump Cables, Electrical and Power Cables Important things must be considered before buying, Uses and Various parts of Coaxial Cables to know. Hydrogen chloride emissions of LSF cable may reach up to 18%. These terminations are vulnerable to fire, moisture, or mechanical impact. Flame Retardant. Electrolyte Grade - Annealed Bare (99.9% Pure) Mica Tape . Ireland, Saffire BS6724 Auxiliary Multi-Core Armoured Cable. The use of fireretardant/resistant coatings (FRC) is one of the simplest and most efficient methods for building fire protection. CI cable is typically soft ceramifiable silicone rubber insulation with solid copper conductors. The basic structure of flame-retardant cables could be summarized into 3 points below: 2.Flame-retardant materials are used for the sheath and outer sheath, 3.The wrapping tape and filling are made of flame-retardant materials. Therefore, from the angle oftheoretically, a fire-resistant layer can be added to the structure of the flame-retardant cable to form a flame-retardant wire orcable and fire-resistant cable. wire manufacturer FIRE RESISTANT CABLES. However, mere transmission is not enough. We are also offering next generation cables i.e Fire Survival cables which maintain circuit integrity for minimum 3 hrs up to 950 deg Celsius under fire, water and shock conditions to ensure transmission of signals and communication. What Is MICC Cable? - Remora Electrical Limited A fireproof cable is to add another layer of fire-resistant layer between the conductor and the insulation. To know how manufacturers ensure the fire safety and what all standard procedures they have to stick to, here is a brief questionnaire with their responses: SACO AEI Polymers and Bihani Group Enter Joint, Ducab Metals Group: Going Above and Beyond, Group Nirmal: Steel Wire Industry Seeking a Level-Playing, CTC Global: Catering to the Advanced Conductor Needs, Allied Engineering Works Sets Up Greenfield Plant for, JMW India Eyes Turnover of INR 2000 Crore;, ELECRAMA 2023: IEEMAs flagship event is off to, Sarvasv Develops High-Speed Stranding Machines for Copper and, Durga Engineering Works to Exhibit its Extrusion Lines, Victory Plant and Machinery to Exhibit its Production, Machine & Controls Launched Latest Colouring Line for, Madem Reels, Brazil, to Setup Wooden Reel Kit, HELUKABEL to Build New Site in Haan, Germany, HELUKABEL Launches Subsidiary in Casablanca, Morocco, India: 175,000 MW Renewable Capacity & 17,000 CKM, India Roped in USD 78.1 Billion as Renewable, Rosendahl: Extrusion at its Best with ROEX Extruders, Mixer: Italian Excellence in the Cable Industry, Solutions, FUHR: Doubling the Capacity of Strip Mills, DUPLAST Develops Lead-Free Calcium Zinc Stabilizers for PVC, From Parts to Peak Irradiance: Innovation Drives Miltec, RR Kabel: 1000 Crore Investment a Stepping Stone, Polycab India: Infrastructure Growth to Propel the Growth, APAR implementing Kaizen and Lean Six Sigma for, Birla Cable: Developing Products Based on Customer Requirements, Panasonic Life Solutions: Focusing on Distribution Network Expansion, Significant Contribution by Continuus-Properzi to Reduce Carbon Footprint, Deploy Reliable Wires to Ensure Safety of your, Extrusion Coating Bonding Resin on FRP Rods in, Avoiding the Degradation of Polymers and the Discolouration, RichardsApex: Bringing New Technologies Exceeding Customers Expectations, International Electro Technical Commission, Digital India is the Agent of Hope for Sterlite and Others. S. PERSONS UNLESS SUCH SECURITIES ARE REGISTERED UNDER THE SECURITIES ACT, OR AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT IS AVAILABLE. Has to have machinery for manufacture of these specialized products. Therefore till such high temperatures cables dont act as fuel. Speaking of flame-retardant cables and fire-resistant cables, our preliminary judgment is related to "fire prevention", but if you are not very familiar with cables, you may not be able to distinguish what is flame-retardant cable and what is fire-resistant cable. It is measured as per IS 10810 Part 64 or ASTM D 2863. Depending on the specifications and end usage chosen, we have capabilities to manufacture and test all these products in house. BS8519 is "code of practice for selection and instalaltion of fire-resistant power & control cable systems for fire safety and fire-fighting applications". Copyright 2002-2017 DEDECMS. There are enormous differences between flame-retardant cables and fire-resistive cables. 225 West Station Square Drive, Suite 700 Pittsburgh, PA 15219, USA. a) Smoke emission from cable during fire is monitored as under: b) Halogen Acid gas emission from cable during fire is monitored. Product tests and other information of over 20 partners in the industry. These halogenated materials contain Chlorine, Bromine & Fluorine. This Construction Brief will give you an overview of Verisk's Construction Class 6 - fire-resistive construction. It is measured as per IS 10810 Part 63 or ASTM D 2843. Few of those are: We manufacture all of the above mentioned cables. The information contained on this section is for information purposes only and are not intended for or open to access by anyone who is in or who is resident in the USA, Australia, Canada, Japan or in any of the Other Countries. Fire Resistant Cables | Prysmian Group c) Flame retardant tests for cables installed in group. The cables should be free from these hazardous elements, and should not propagate fire. A Fire-resistant cable is a cable that can maintain safe operation for a certain period under flame-burning conditions. PERSONS SALVO CHE I TITOLI SIANO REGISTRATI AI SENSI DEL SECURITIES ACT O IN PRESENZA DI UN'ESENZIONE DALLA REGISTRAZIONE APPLICABILE AI SENSI DEL SECURITIES ACT. Required fields are marked *. MI is labor-intensive and difficult to install and, therefore, is rarely used in low-voltage fire protection and emergency voice systems. The company also has expertise in providing customized solutions to clients. When this happens, data and communication can only move in one direction, so you need to lay more than one cable to achieve information going both ways. Our fire performance cables are specifically designed to maintain circuit integrity and continue to work for a specific time under defined conditions of 30, 60, or 120 minutes. However, these things are, of course We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations GE's latest thinking on product manufacturing is he Shingijutsu philosophy or Lean production system. Fire Resistant Cables | Firetuf Fire Cable - drakauk.com FT Sifer 950s - zero halogen, low smoke (OHLS) single core fire cable What is the price compared with XPLE? Increasingly used in public and government buildings and where there is sensitive electronic equipment (i.e. Typically, flame-retardant cables resist the spread of fire into a new area, whereas fire-resistive cables maintain circuit integrity and continue to work for a specific time under defined conditions. As mentioned above depending on application one has to choose material for outer sheath. PK: Basically, PVC (Polyvinyl chloride) is a flame retardant material; it has this plus point over PE (Polyethylene). Safety during fire is at the heart of the brand so safety of occupants and users of public, commercial and industrial premises is of paramount importance. Copyright 2023 Wesco International. Cable insulation is used to provide electrical separation between conductors of a cable. The function of Fire Resistant Cable - Leading Cable and Wire FSAI (Fire & Safety Association of India) also certifies cables meeting fire safety tests and they allow approved vendors to put their mark. FP200 Gold cables are ideal for installations in fire detection, voice alarm, emergency lighting and smoke alarm systems which depend on circuit integrity in the event of fire. We can custom-fabricate a range of nonmetallic materials and provide wear solutions, bearings, bushings, plastic forming, and paper and film fabrication. Prysmian's Jet Fire family of cables are designed to continue to operate in the extreme conditions experienced during offshore jet fires. Our cables not only help save lives in a fire, but also provide greater property protection. Fire-resistant wires are widely used in high-rise buildings, subways, underground shopping malls, power stations, and important industrial and mining enterprises related to fire safety and fire rescue For example, power supply wires and control wires for fire fighting facilities. d. Has to have knowledge as well as equipment for performance of specialized tests. What are the disadvantages of mineral insulated cable? Mineral-insulated copper-clad cable - Wikipedia Q & A of the Day - Does SWA cable have any proper fire What Are The Benefits Of Using Control Cables? (1) Resistant vinyl polyfluoroethylene insulation and sheath: 70 and 105 both kinds; Cross-linked polyethene insulation: 90. Prysmian offers an extensive range of independently tested and certified fireresistant cables. What are the advantages and disadvantages of a fire resistant cable? where the cables needs to operate under direct fire to supply power to these emergency equipments. Fire-resistant cable is a cable that can maintain safe operation for a certain period of time under flame burning. All rights reserved. Firetuf FTP - the original Draka fire resistant armoured cable Sometimes flame retardant, fire resistance and halogen-free low smoke performance will be integrated in a product, so that the performance of the product is superior, a wider range of application, so the difference between them is sometimes very big and sometimes there is no strict boundary. Insulators and structural components made from FR4 with the UL standard marking are guaranteed to prevent fire propagation and extinguish the fire quickly. AB: Yes. Flame-Retardant Cable vs. Fire-Rated/Resistive Cable. The fire properties of cables are of great importance from a fire safety perspective. Do tray cables in the U.S. need to pass a flame test? The Halogen-containing cable flame retardant principle is to rely on the flame retardant effect of halogen. Disadvantages [ edit] The termination points: While the length of the MI cable is very tough, at some point, each run of cabling terminates at a splice or within electrical equipment. Silicone rubber cables also have excellent flexibility. SV: There are various standards which represent fire properties of cable such as Flammability test as per IEC 60332-1/BS 4066-1 (Flame Test On Single Vertical Insulated Wires/Cables); Oxygen Index Test as per ASTM D2863; Flame retardant test as per Swidish standard SS 4241475; Flame retardant test as IS: 10810(61 & 62); IEC 60332-3/BS 4066-3 (Flame Test On Bunched Wires/Cables); IEC60331 Fire Resistance Test; BS6387 Fire Resistance Test. If you have any question, please feel free to contact me. (2) Fluoroplastic insulation and sheathing: 220 and 260 two kinds; Fluoroplastic insulation and 105 flame retardant polyvinyl fluoride sheathing: 90 and 125 two kinds. IEC 60287 Current Capacity of Cables - An Introduction. Copyrights 2000-2021: Relemac. It is measured as per IS 10810 Part 58 or ASTM D 2863. XLPE is used in insulation world over, and it does not propagate flame, nor does it emit smoke or toxic gases and world over; XLPE is insulation and PVC or LSZH is used in sheathing, which is a safe proposition from the point of flame resistance. Low smokes cables have a sheath designed to limit the amount of smoke and toxic halogen gases given off during fire situations. The above is the differences between flame retardant cable and wire and fire-resistant cable and wire summarized by JZDWire&Cable manufactruer and supplier. Power cable has to meet with requirement of BS8491 Cat1 or Cat2 or Cat3. Fire-resistant cable and flame retardant cable are not the same. Burning time 90min (recommended) Burning time 90min (recommended) FT Sifer 950i - zero halogen, low smoke (OHLS) single core fire cable At room temperature when the oxygen content in the air exceeds the oxygen index, the material will burn by itself automatically. Some of the lofty goals for the Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. KangDing All rights reserved document.write(unescape("%3Cspan id='cnzz_stat_icon_1279114458'%3E%3C/span%3E%3Cscript src='https://s9.cnzz.com/z_stat.php%3Fid%3D1279114458%26show%3Dpic' type='text/javascript'%3E%3C/script%3E")); UL and CSA fire-resistant cable standards, Classification and standards of Lshf and LSZH cables, Manufacturer of Frequency Conversion Cables, Cable de Motor de Frecuencia Variable con Doble Blindaje, Power Line + Optical Fiber + Control Line Three In One Flat C, Outdoor Wear-Resistant Special Power Cable, Shielded Rubber Sheathed Flexible Cable for Coal Mine, NYY-J/ NYY-O CE European Standard Power Cable, High Temperature Resistant Trailing Cable, Clean Halogen-Free Control and Signal Cables, Injection Molds for Wire Harness Wrapping, Advantages of Connector and Wire Harness Overmolding, Electrode Wire, Physiotherapy Wire Made in China, Circuit Connector and Wiring Harness Manufacturing. ARMOURED FIRE RATED - FIRE SURVIVAL CABLE. It can withstand long-term combustion, even if the polymer at the place where the flame is applied is burned, it can ensure the normal operation of the line. It is measured as per IS 10810 Part 59 or IEC 60754 Part 1. Although the two are different in principle, structure and materials, their uses are similar, and they are quite good in terms of "fireproof" performance. When the cables are exposed to fire, these polymeric materials start decomposing releasing halogen and dense toxic smoke causing asphyxiation and impairing visibility. Click here to view the notes listin a table format, Click here to view the notes indexed by tag, Flame Retardant - designed for use in fire situations where the spread of flames along a cable route needs to be retarded, Fire Resistant (FR) - cables are designed to maintain circuit integrity of those vital emergency services during the fire, Low Smoke and Fume (LSF) - burns with very little smoke and fumes compared to standard PVC, fumes may contain halogens, Low Smoke Zero Halogen (LSZH) - when burns there is very little smoke and fumes (compared to standard PVC the fumes contain no halogens, Alternative names for LSZH - LSZO (Low Smoke Zero Halogen), 0HLS (Zero Halogen Low Smoke), LSHF (Low Smoke Halogen Free), IEC 60332-1/BS 4066-1 - flame test on single vertical insulated wires/cables, IEC 60332-3/BS 4066-3 - flame test on bunched wires/cables, CMP (Plenum Flame Test/ Steiner Tunnel Test) - plenum rated cables meeting NFPA -262, CMR (Riser Flame Test) - riser rated cables meeting UL1666, CM (Vertical Tray Flame Test) - general purpose cables meeting UL 1581, CMG (Vertical Tray Flame Test) - general purpose cables meeting UL1581, CMX (Vertical Wire Flame Test) - restricted cables meeting UL1581, BS 6387 - fire resistance test (more stringent than IEC 60331), Reduction in hazardous fumes which can cause injury when inhaled, Reduction in corrosive chemicals which can cause damage to electronics, IEC 60754-1/BS6425-1 - emission of halogen, IEC 61034-1/ASTM E662 - emission of smoke, ISO4589-3/BS2782.1 - temperature index TI, have a question or need help, please use our, spotted an error or have additional info that you think should be in this post, feel free to. The following is a brief introduction to their differences and features by ZW Cable. As stated earlier, installation can also play a big role in avoiding mishaps. As such, we strive to adhere to the Web Content Accessibility Guidelines 2.1 Levels A and AA, a set of guidelines developed by the World Wide Web Consortium and used to ensure that digital content is accessible to everyone. Fire Resistant Cables maintain circuit integrity even in case the cables come in . CONSEGUENTEMENTE, CHIUNQUE EFFETTUI O INTENDA EFFETTUARE UNOFFERTA DI STRUMENTI FINANZIARI IN UNO STATO MEMBRO RILEVANTE DIVERSA DALLOFFERTA PUBBLICA CONSENTITA PU FARLO ESCLUSIVAMENTE LADDOVE NON SIA PREVISTO ALCUN OBBLIGO PER LA SOCIET O UNO DEI JOINT GLOBAL COORDINATOR O DEI MANAGER DI PUBBLICARE RISPETTIVAMENTE UN PROSPETTO AI SENSI DELL'ARTICOLO 3 DELLA DIRETTIVA PROSPETTO O INTEGRARE UN PROSPETTO AI SENSI DELL'ARTICOLO 16 DELLA DIRETTIVA PROSPETTO, IN RELAZIONE A TALE OFFERTA. PK: Fire retarding properties in cable are of great importance. 4.Where to buy fire resistant cable This reminds me of Uphar incident when a lot of persons could not escape because of these two culprit elements. I declare that I am not resident or located in United States, Australia, Canada or Japan or any Other Countries and I am not a U.S. Safety and especially human safety is of prime importance. Conferma che il certificante comprende e accetta il disclaimer sopraesposto. Flame retardants are chemicals that are added to manufactured materials (e.g., textiles and plastics) and surface finishes and coatings to inhibit combustion or delay the spread of fire after ignition (van der Veen and de Boer, 2012). Is a flame-retardant cable also fire-rated? Madem Reels, Brazil, to Setup Wooden Reel Kit Manufacturing Plant of 1,000 NKT to sign JV with Walsin Lihwa to set ELECRAMA 2023: IEEMAs flagship event is off to a India: 175,000 MW Renewable Capacity & 17,000 CKM Transmission For standard installation conditions cables with standard flame retardancy are used. Manufacturers in organized sectors have responded equally and use virgin raw materials meeting different test requirements with zero tolerance. Therefore, raw materials advantages and disadvantages largely affect the quality of wire and cable products, and certain companies can provide ultra-low price products. Fire-resistant cable is divided into class A and class B. The sufferer is mainly the common man, who has to bear the brunt of mistakes or cost cutting measures of someone else. Save my name, email, and website in this browser for the next time I comment.

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