Dec 22, 2015 according to control cables, flame retardant cables under the prescribed test conditions, the specimen is burning, in out of the way after the test of fire, the flame spreads only within the bounds of, residual flame and burns in a limited time is off of the cable itself. It is the investment in innovation that ensures draka products meet or surpass the requirements of the latest fire rated cable performance standards. Wire and cable applications require flame retardance and lowsmoke generation. Iec marine cable, iec offshore cable, shipboard cable, shf1, shf2. Cables are frequently blamed as the cause of fires, but often it is not the failure of the cable which starts a fire but damaged cable insulation, overloading or failed circuit protection. Flame retardant cable for coal mine flame retardant and fire resistant cable i. The combustion droplets can change the shape of the flame, which. All fplr cables are listed as having fireresistant characteristics capable of preventing fire from traveling from floor to floor.
Given the operative difference in cable rating systems, here are the key essentials. Alumina trihydrate ath, magnesium hydroxide mdh and. Flame retardant cables are not intended to assure service during a fire but are chosen to prevent the flame spreading. Fire modelling of flame retardant electrical cable request pdf. They are used in many types of consumer goods, including electronics, furniture, building materials, and automobiles, to slow or prevent the start or. Huber has a broad line of molybdate, ath and mdh products. Fire alarm cable nplf systems unshielded or shielded, nonpowerlimited signaling cable part no. Riser cables must pass both ul test 1424 and the vertical riser test ul 1666. Fire retardant cable passed smallscale certification to protect against the spread of existing fire and but has not earned the fire rated certification. When fire occurs, the coating will rapidly intumesce to form a. Highly conductive, each wire pair conductor is made of solid bare copper. Fire resistant cables fire resistant cables the resistanceto fire is the term used to describe how long a cable continues to operate in a fire. Dc310 fire retardant cable coating wires and cables video international fireproof technology inc. The best safety and rescue equipment cannot work without secured power supply.
Test for vertical flame propagation for a single insulated wire or cable. Dc310 fire retardant cable coating intumescent fire. Contact us for more information about our products. Scotch fireretardant electric arc proofing tape 77, 112 in x 20 ft, black, 1 rollcarton, 10 rollscase scotch fireretardant and electric arc proofing tape 77 series 3m id emdm2tape77. Single core lshf flame retardant cable nonsheathed 450750 v click. Flame retardant cables can resist the spread of fire, but due to fire the cable is fully destroyed and no circuit integrity is. At present, domestic and international scholars studying cable polymers in tunnels are mainly divided into two parts. These are still ls0h, flame fire retardant and meet all requirements of iec 603321 and iec 603323. However, fire retardant cables are not noncombustible, which can be burnt under certain circumstances. This fire retardant properties ensures extra protection against electrical shocks, short circuits and fires and electrical hazards.
This cable is not as powerful as fire rated fire resistive cable. Study on flame spread characteristics of flameretardant. Test for vertical flame propagation for a single insulated wire or cable this test is passed by most cables constructed of flame retardant materials, e. Plain circular or compacted stranded copper conductor, conform to iec 60228 class 2. Dc310 cable coating for wires and cable is developed using innovative intumescent technology. Federal specification ttp141 was adhered to as far as possible for test methods. Fire resistant and fire retardant cable sheaths are design to resist combustion and limit the propagation of flames. Ifti is the manufacturer of the industry leading dc315 intumescent coating intumescent paint for the 15 minute thermal barrier protection of spray foam insulation.
Fire retardant electrical cables fr,fire retardant. Unshielded multiconductor nec nplf 18 awg 5320un 2 solid 500 152. All our fire resistant cables are also available in a non fire resistant construction with no fire resistance properties no mica glass tape for fire barrier. When fire occurs, the coating will rapidly intumesce to form a foam char layer that prevents fire propagation. The differences between flame retardant and fire ratedfire resistive cables can be seen in the test descriptions shown below. Oxygenbarrier cable also known as highlyflame retardant cable. Comparing between fire resistant and flame retardant. Compliance to fire performance standard iec 603321, iec 603323, ul 1581, ul 1666 etc depends on the oxygen index of the pvc compound and the overall cable design.
Vmax cat6 utp plenum cable is a highperforming data cable that is great for commercial use and telecommunication applications. For example, ten miners died in the fire retardant cable fire which happened in the chengcheng sulfur mine of shanxi province. Fp100 cable pdf prysmian fp is the original fire resistant single core cable for use in steel conduit or use fp when upgrading existing steel conduit systems to current. Type fplp fplp powerlimited fire alarm cable is listed by the nec as being suitable for usein ducts, plenums and other space.
Retardant cables will most often use a more pure polymer like pexlpe or epr for the insulation which has good dielectric and mechanical. Please visit again or register to receive the fp newsletter with news about products and standards as well as technical documents and datasheets. An important distinction exists between fire resistant cables and flame retardant cables, even though both of them are subjected to various fire performance tests in order to earn their respective classification. The combustion speed of the flameretardant cable is affected by the fire load and ventilation speed. Fpl cables are listed as being resistant to the spread of fire and must pass both ul test 1424 and the vertical flame testul 1581. It is a heavy duty intumescent coating intumescent paint for interior applications used to effectively prevent flame spread. Fire resistant cable in all fire disasters, fire smoke, heat and toxic fumes are the main obstacles to safe evacuation of a building or area. This standard provides criteria for defining and identifying fire retardanttreated wood and fire retardant coated building materials. Fire retardants are available as powder, to be mixed with water, as fire. Fire resistant electrical cables micc ltd specialists in mineral. Flame retardant characteristics of electric cables. Request pdf fire modelling of flame retardant electrical cable mineral filler based flame retardant cables have become an alternative for the pvc cables in real practical applications.
This cable is not as powerful as fireratedfireresistive cable. Unshielded multiconductor nec fpl 18 awg 5320uj 2 solid u u305 22. For example, ten miners died in the fireretardant cable fire which happened in the chengcheng sulfur mine of shanxi province. Flame retardant cable maintain the electrical properties of the cable and the physical and chemical properties at the same time, has self extinguishing, which is not easy to burn, or when the cable for some reason fire or is outside the fire ignited the fire, the fire extinguished after the cables are no longer continue to burn, or burning time is short less than 60 minutes, or to extend the. Flame retardant smoke suppressant coatings for pvc. Fire resistant cables fire resistant cables the resistancetofire is the term used to describe how long a cable continues to operate in a fire. Fire resistant cables contents introduction 1 fire resistant cable 7 international standard compliance 8 cable structural description and construction data mineral insulated xlevami fire resistant fr and flame retardant cable 0. Dc310 cable coating intumescent fire retardant paint. The new york production club cabinet, with modifications by the engineer research and development laboratories, was utilized for the fireretardant evaluations and a leaching test was introduced to determine the water solubility of the films. Iec specifies method of test for the assessment of vertical flame spread of verticallymounted bunched wires or cables. Fire resistant cables fire performance, fire survival cable. Flame retardant smoke suppressant coatings for pvc sheathed electric cables n k saxena and sunil k sharma fire research laboratory, central building research institute. Type fplr fplr powerlimited fire alarm riser cable is listed as being suitable for use in a vertical run in a shaft or from floor to floor. However, fireretardant cables are not noncombustible, which can be burnt under certain circumstances.
Wire and cable applications require flame retardance and low smoke generation. To establish such ratings, tests should be made in accordance with nfpa 251. At present, in cable industry, fire retardant, low smoke halogen. Tests on electric cables under fire conditions part 3.
Low smokes cables have a sheath designed to limit the amount of smoke and toxic halogen gases given off during fire situations. The new york production club cabinet, with modifications by the engineer research and development laboratories, was utilized for the fire retardant evaluations and a leaching test was introduced to determine the water solubility of the films. Falcon unscreened multicore cables are suitable for internal wiring in multi storey complexes, residential buildings, offices, hotels etc. Free lszh, low smoke fume lsf and fire resistant cables are all described as fire. Fire modelling of flame retardant electrical cable. Flame retardant designed for use in fire situations where the spread of flames along a cable route. Scotch fireretardant and electric arc proofing tape 77. Via san rocco 55 25080 molinetto di mazzano brescia italy t. Fire resistive cables maintain circuit integrity and continue to work for a specific time under defined conditions such as fire. Flame retardant power cable for coal mine this product is coal mine copper core flame retardant power cable fixedly laid with copper core with rated voltage of 10kv or below, and is applicable for lowmedium voltage power transmission and distribution system. Fp200, fp400, fp600 cable fire resistant cables by prysmian.
This paper describes three different applications of halogen free flame retardant hffr compounds, covering high voltage, optical fibers and low voltage cables. These are still ls0h, flamefire retardant and meet all requirements of iec 603321 and iec 603323. Dc6150 fire retardant coating for electrical cables. Single core lshf fire resistance cable nonsheathed 600 v click. Fire resistance and flame retardant cable charoong thai.
A fire retardant is a substance that is used to slow or stop the spread of fire or reduce its intensity. Flame retardant and fire resistant cable flame retardant cable the flame retardant cable is mainly featured in low liability of fire or that second combustion is only limited to a certain range, meets the iec60332 combustion testing requirements, and is applicable to the places with flame retardant requirement. All ramcro fire resistant cable are with subbrand ramfirecrof3, are manufactured in according to the major interna tional standard. All fplr cables are listed as having fire resistant characteristics. The differences between flame retardant and fire rated fire resistive cables can be seen in the test descriptions shown below.
A major contribution towards overcoming these hazards is the use of fire resistant and nonhalogenated cables. Firetuf fire resistant cables the draka brand understands the importance of fire resistant cables and is deeply committed to continuous fire cable development. Most cable insulation is made from hydrocarbon oil based polymers which are not usually flame retardant and have high calorific values. Lpcb approved fire resistant cable maintains circuit integrity and continue to work under fire for a stated period of time. The fp cable range is the result of 50 years of continuous development of cables for fire alarms, emergency lighting and life safety fire fighting. Fire alarm cable commercial applications, addressable systems unshielded or shielded, powerlimited, midcapacitance part no. Cef are able to supply prysmian fp plus enhanced in a variety of lengths and colours. Iec flame and fire standards central cables limited. Fire resistant cable is applied to critical circuit which operates on energized to trip or energized to operate and circuit which needs to still operate during fire. Flame retardant cables can resist the spread of fire, but due to fire the cable is fully destroyed and no circuit integrity is assured. This is commonly accomplished by chemical reactions that reduce the flammability of fuels or delay their combustion. Pdf study on flame spread characteristics of flame. Description of the cable by way of example, we will describe a realisation of a halogen free fire retardant cable with 48 o. At present, in cable industry, fire retardant, low smoke halogen free lszh, low smoke fume lsf and fire resistant cables are all described as fire survival cables.
Fireretardant cable passed smallscale certification to protect against the spread of existing fire and but has not earned the firerated certification. Sheathed in a pvc jacket, colorstriped wire pairs are twisted for a decrease in attenuation and alien crosstalk. This fire resistant cable is manufactured to a number of british standards. Huber has a full line of treated alumina trihydrate ath, magnesium hydroxide mdh and kemgard products that impart outstanding flame retardance and smoke suppression in wire and cable compounds. With features of flame retardant property, low smoke and low gas emissions, it ensures maximum fire safety and fire evacuation capability. The flame retardant cable is mainly featured in low liability of fire or that second combustion is only limited to a certain range, meets the iec60332 combustion testing requirements, and is applicable to the places with flame retardant requirement. Fire retardants may also cool the fuel through physical action or endothermic chemical reactions. According to control cables, flame retardant cables under the prescribed test conditions, the specimen is burning, in out of the way after the test of fire, the flame spreads only within the bounds of, residual flame and burns in a limited time is off of the cable itself. Jan 11, 2017 fire resistant cable is applied to critical circuit which operates on energized to trip or energized to operate and circuit which needs to still operate during fire. Fire alarm cable commercial applications unshielded, power. Single core lshf fire resistance cable nonsheathed 600 v. This fire test simulates a fire in a cable tray where the temperature increases with time according to a standardized temperature curve en 631. Fire and disaster planning is painstaking, so it is of the utmost importance that specifiers and contractors understand when to use flame retardant and when to use fire resistant cable, what the. Most cable insulation is made from hydrocarbon oil based polymers which are not usually flame retardant and.
Flame retardant wire and cable compounds huber engineered. A flame retardant cable is designed only to restrict the spread of a fire by inhibiting combustion. Single core lshf flame retardant cables nonsheathed 450750 v click. They are used in many types of consumer goods, including electronics, furniture, building materials, and automobiles, to slow or prevent the start or growth of fire. Practical aspects of the formulation of fireretardant paints. All the systems connected to cables are completely out of work. Test for vertical flame propagation for a single insulated wire or cable this test is passed by most cables constructed of flameretardant materials, e. During a fire, these devices intumesce to form a seal, which helps protect against the spread of fire, smoke and toxic gases. This may be of primary concern, for instance, in life safety of fire fighting installations. The cables are mounted horizontally on a cable ladder across the burners and energized with a rated voltage before the burners are ignited. Jul 19, 2016 given the operative difference in cable rating systems, here are the key essentials.
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