The APAR difference

  • Our super speciality cables are useful in sonar detection, mine sweeping, subsea exploration systems, naval, defence and army purposes.


  • Our cable specialists can design and develop custom solutions around extreme conditions, including temperature, flexing cycles, torsion, tensile strength, winding capability and chemical resistance.

Heavy & light TOW cables

The cables used are armoured cables, either electro-mechanical or electro-opto mechanical for such applications. The tow cables form the umbilical of any towed system.

Anti-submarine warfare operations demand surface ship, submarine or airborne sonars for detection, tracking, localisation, and classification of underwater targets. The deployment and retrieval of an airborne dunking sonar or surface ship towed sonar is carried out through sonar winches and associated underwater cables.

The cables used are armoured cables, either electro-mechanical or electro-opto mechanical for such applications. The tow cables form the umbilical of any towed system. APAR has developed and tested electro-opto mechanical tow cables namely Heavy Tow Cable (HTC) and Light Tow Cable (LTC).
Application Towed sonar systems require two types of tow cables, namely HTC and LTC, for towing the linear array and an underwater towed body behind the ship. The tow cables used in the marine environment transmit power to the underwater equipment and carry signals for underwater communication. In addition, these cables are capable of withstanding hydrodynamic forces in the ocean environment caused by waves, currents or towing loads.
Characteristics These two cables provide the optical, electrical and mechanical connection of the towed body and array with onboard processors.
Applicable standards
Product range
Advantages The HTC is negatively buoyant and plays an important role in keeping the towed body and rest of the array in depth. This cable has two contra-helically wound layers of high strength Nitronic-50 alloy armour.The LTC is a neutrally buoyant cable which ensures sufficient trail or standoff distance of the towed array from the ship to limit the effects of the ship’s self-noise on the array and also helps the array modules to be in the same depth as the towed body.

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Umbilical cables

APAR is one of the very few manufacturers of umbilical cables globally that meet all the necessary criteria from the perspective of design, engineering, manufacturing and testing.

APAR is one of the very few manufacturers of umbilical cables globally. The ever-changing characteristics of the offshore industry mean that oil production is being done in deeper waters and subsea processing is on the rise.

Both these factors affect umbilical design as not only do the weaker cross-section components need to withstand larger forces and elongations but the cross-sections also must include high voltage power elements. APAR’s experience in this specialised field of manufacturing helps us take care of both these requirements. We provide umbilical cables that have met all the necessary criteria from the perspective of design, engineering, manufacturing and testing.
Application These cables are used in all types of applications: connecting subsea installations, fixed and floating platforms as well as FPSOs and even connecting subsea to shore systems.
Characteristics APAR not only designs and manufacture electrical and power cable elements but even fibre optic cables and elements. Our in-house design capabilities give our engineers a profound understanding of how cross-section forces translate into stress and fatigue.
Product range Can be customized as per specific project specification and requirement.
Advantages APAR provides cables for a wide range of offshore oil and gas projects. Our cables are designed to operate in challenging and dynamic subsea environments for years together. These products provide critical power, control and monitoring links and also connects multiple elements of offshore oil and gas fields.

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ROV cables

APAR develops ROV tether cables that are lighter and stronger, making them a dependable partner for all subsea activities.

While the evolution of platform and riser technologies in next-generation drill ships and in adding subsea processing to production capabilities involve incredibly complex solutions, their successful application continues to rely on ROVs that can keep pace and allow those technologies to be implemented.

Since client operations are penetrating deeper than even before and given the complexity of the design as well as the mission-critical need for reliability, only a handful of cable manufacturers have earned the trust of the global ROV community. APAR develops ROV tether cables that are lighter and stronger, making them a dependable partner for all subsea activities. We also design cables for most standard ROVs and for new applications based on client specifications. Our cost-efficient subsea cables are designed to deliver reliability and performance under the toughest circumstances. We offer dependable cable designs for both ROV manufacturers and ROV operators:
Application APAR designs cables for ROVs used in oil and gas exploration and production, defence, oceanographic and a host of marine applications.
Characteristics An umbilical cable for ROVs must meet a range of mechanical and environmental requirements that are not common in other applications. Deepwater temperatures are typically between 0 and 3°C. What matters the most is pressure i.e.the pressure of ocean water exceeds 2900 psi (2000 N/cm2) at a depth of 2000 meters. This is a complex design and it is important that all elements work together in harmony to meet the required power, data and mechanical criteria. Each layer is defined not by function, but by the diameter of each cable element to maintain concentricity.
Product range Middle weight ROV, Fall Pipe Cable, Trenching Umbilical.
Advantages – High temperature resistant – Combination of high power, auxiliary power and communication – High tensile steel package that supports cable weight

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Tether cables

APAR has indigenously developed tether cables for surveillance and communication aerostat systems

A tether cable is an electro-optical mechanical cable which holds the balloon at the airborne end and connected to winch and mooring systems at the ground end.

The tether primarily provides strength for holding the balloon. Also it establishes electrical/optical connectivity between the airborne and ground ends. The ground end of the tether is connected to a winch drum through a rotary joint. We are developing different models of Tether Cables which are longer and can take higher load : these can be used for aerostat surveillance systems at international borders. Needless to say, such items are produced by very few international manufacturers: developing such specialty products is a matter of pride for us.
Application Tether Cables are used in both commercial and military markets for a variety of applications like military ground defence surveillance, border security, renewable energy wind turbines and the broadcast entertainment industry.
Characteristics Tether Cables are used in both commercial and military markets for a variety of applications like military ground defence surveillance, border security, renewable energy wind turbines and the broadcast entertainment industry.
Applicable standards IEC 60793, IEC 60794, Telcordia GR -20, TIA/EIA 598
Product range APAR offers a wide range of Tether Cable from 6 Optical and 4 Power, 3 Optical and 4 Power Core to 1 Optical and 2 Power Core. Based on client requirements, the range includes cables with tensile force from 1KN to 18 KN and height from 1 km to 5 Km. APAR offers SM G652D, G657A or G655 with Single Mode Fibre as well as Multimode Fibre OM 1, OM 2, OM 3 or OM 4.
Advantages Thanks to modern fibre optic-based equipments, Tether Aerostats are excellent mobile platforms for surveillance, communication and early warning systems. They can be either sea or land-based mobile systems flying as high as 5 km, much greater reach in altitude than alternatives like terrestrial towers. The aerostat system can accommodate active or passive monitoring devices that are designed to solve complex problems and control as well as protect coastal areas and forests. As applied to internet coverage, our systems are configured to meet the requirements of a specific area like a city. A full range of direct broadcast-to-user services (WIFI, cell phone, TV, AM/FM, mobile radios and so on ) can be provided from the platform, blanketing an area in excess of 130,000 sq km (diameter area: 400 km).

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Tactical cables

APAR’s tactical cables are designed to withstand extreme environmental conditions

Tactical cables are widely used in military applications. Compared to other fibre optic cables, these are very small in diameter and are lighter in weight. Tactical cables have a steel central tube and wire armouring.
Application Tactical cables are ideal for military applications thanks to these features: – Fast and trouble-free integration in the field – Easy-to-use and trouble-free maintenance – Extremely high mating durability – Less sensitivity to pollution, dirt and dust – Ruggedized connection, high resistance to crushing and shock – High tensile strength
Characteristics APAR’s tactical cables are designed to withstand extreme environmental conditions. Our ruggedized tactical jackets and diverse cable constructions protect these from temperature extremes, UV/sunlight, solvents, abrasion and impact. These easy-to-install cables provide bandwidth, performance and versatility for applications where standard communication cables would never survive.
Applicable standards IEC 60793, IEC 60794, Telcordia GR -20, TIA/EIA 598
Product range APAR offers the 2 to 12 core tactical cables in gel-filled stainless steel tubes with armouring and strain relief made of stainless steel wire with a jacket of PA-12. These can be customised further to suit your requirements.
Advantages Fibre optic cables play an important role in running global internet services, in an efficient and effective manner. Fibre optic cables are much superior to standard copper cables, as fibre optic cables of same thickness support higher bandwidth capacity and can transmit data over longer distances. It allows telecom network providers reach remotest locations across the globe. APAR tactical cables have high permissible tensile strength and crush resistance making them rodent proof. The other advantages include compact structure, high flexibility and low weight, and superior UV, chemical, fungal, abrasion and oil-resistant jacket.

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Torpedo cables

APAR has indigenously developed fibre optic cables for torpedo guidance systems.

These data transmission cables act as a crucial medium of communication between a torpedo and the firing platform (a ship or submarine), effectively guiding the torpedo towards its target during the underwater run.

 

These are wound with a special tangle-free winding technique for free unreeling of the cable during the underwater run of the torpedo. Expected to have high strength, these cables get paid off from the reel at the rate of 25 M/sec. Considering their use, these cables require high precision production techniques that APAR is known for.
Application As a torpedo travels, the cable unspools from it and keeps it in touch with the launch platform. This allows the launch platform remotely steer the torpedo, so as to get it close enough to the target to use its on-board homing mechanism.
Characteristics Torpedo cables are high strength, lightweight and long-length cables that provide high bandwidth and act as a crucial medium of communications between a torpedo and its launching site.
Applicable standards IEC 60793, IEC 60794, Telcordia GR -20, TIA/EIA 598
Product range APAR offers torpedo cables ranging from 5 km to 50 km in a single continuous length. It uses G657A fibre.
Advantages Torpedo cables are used in wire-guided systems attached to torpedos. Much superior to conventional wires, these cables allow significant increases in bandwidth while occupying less space, since a single fibre can be used in place of the current two wires.These lightweight, small-diameter cables are sufficiently durable and robust to withstand the stress associated with torpedo launch and deployment.

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Composite cables

APAR’s customised cables cater to high-bandwidth applications of data centres, global internet companies, ISPs and telcos,citizen network services and installations along the railway tracks.

Thanks to our experience and expertise in cables, APAR can customise composite fibre optic cables to suit different applications.

 

APAR’s customised cables cater to high-bandwidth applications of data centres, global internet companies, ISPs and telcos, citizen network services and installations along the railway tracks. We offer a wide range of cables, including aerial, underground, micro duct, ribbon, IO and indoor, last mile connectivity and special application cables. Composite cables are those cables in which two or more types of fibres are held in one cable. Fibre counts and the type of optical fibre to be used varies by the application, the distance signals are required to travel and the speed of transmission. The cable construction depends on various factors like the environmental conditions at the installation site, whether the use is indoors or outdoors, where it is to be used within a dry wall, in a public or private area, whether it needs to have special LSZH materials or not.
Application Fibre optic cables are used for a wide range of applications: from carrying telephone calls (up to several million calls per cable) to high speed data transfer for vast computer networks.
Characteristics For critical applications, APAR fibre optic range of cables are available in fire resistant (IEC 60331) versions, in addition to other specific requirements.
Applicable standards IEC 60793, IEC 60794, Telcordia GR -20, TIA/EIA 598
Product range Under multi loose tube optical cables, APAR offers the following types: Direct buried, duct and aerial, and cables for indoor use in conduits 2-512 fibres per cable; 1-24 fibres per filled loose buffer tube Custom and composite cables Composite single and multi mode fibres
Advantages Fibre optic cables play an important role in running global internet services, in an efficient and effective manner. Fibre optic cables are much superior to standard copper cables, as fibre optic cables of same thickness support higher bandwidth capacity and can transmit data over longer distances. It allows telecom network providers reach remotest locations across the globe.

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Hybrid cables with FO & coaxial

A robust and compact hybrid fibre cable for interconnecting power and optical links between main and remote units for outdoor and indoor radio base stations.

Application A robust and compact hybrid fibre cable for interconnecting power and optical links between main and remote units for outdoor and indoor radio base stations. Hybrid cables combine power, optical fibres, control and coaxial cables, so we can reap benefits of all: the ability to remotely deliver power like a copper category cable, while also enjoying the performance of fibre to carry data across long distances as well as data transmission without distortion.
Characteristics Temperature Range: fixed & flexing: -40°C to +90°C. Flame retardant type cables.
Applicable standards Outdoor and indoor radio base stations, in cement plants, steel industries and marine applications.
Product range Various power cable sizes starting from 4 sq mm for power & 1.5 sq mm for control as well as single and multimode fibre 9/125 µm(OS1/2), 50/125 µm(OM2/OM3), Multimode 62.5/125 µm(OM1).
Advantages Power and control cables APAR’s power and control cables are used in a wide variety of applications. These quality cables are made with precision to meet extreme load fluctuations in varying voltage situations. Optic fibre cables APAR’s optic fibre cables are ideal for higher bandwidth usage and have less signal attenuation. Other features include immunity to electromagnetic interference, resistance to corrosive materials, lightweight. Coaxial cables Suitable for high bandwidth usage. Used in long distance telephone lines. Transmit digital signals at a very high rate of 10Mbps. Much higher noise immunity and data transmission without distortion.

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Airport lighting cables

APAR’s airfield lighting cables are manufactured to match the international standards such as BS and IEC.

APAR provides the full range of airfield cables: primary, secondary and remote control cables. Primary cables are used between transformers and constant current regulators; secondary cables are used between lights and transformers; and remote control cables create a connection between control tower and constant current regulators.

Our airfield lighting cables are manufactured as per the IS:1554 (Part II) standard with 5 KV grade. The range of airfield lighting cable is S/C x 6 sq mm and S/C x 16 sq mm in copper and 2C x 25 sq mm in aluminium. APAR’s airfield lighting cables are used in airports across India.
Application Usually these are used in airports for setting up the connection in isolating transformers, control towers, flights, and CCR (Constant Current Regulators). Armoured: this variety offers extra mechanical protection, as these are generally buried into ground.
Characteristics Our cables are extensively used in airports for lighting purpose.
Applicable standards APAR’s airfield lighting cables are manufactured to match the international standards such as BS and IEC.
Product range Air field lighting cables are manufactured as per national and international standards and are of 5 KV grade. We manufacture the complete range of airfield lighting cables from s/c x 6 sq mm and s/c x 16 sq mm in copper and 2c x 25 sq mm in aluminium.
Advantages You can touch these without the risk of receiving electric shock. These also offer increased lifetime, no blow-out light, reduced fire hazard. These cables don’t cause any radio interference ensuring more safety in air traffic.

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Radiation resistant cables

APAR has developed a range of single and multi-core wires & cables which are suitable to operate at higher ambient temperature and are radiation resistant. Apar is a major supplier for cables in India to Nuclear Power Industry.

Insulated with different materials based on application including ETFE, special thermoplastic & thermoset compounds, cross linked polyolefin (XLPE/XLPO), polyurethane (TPU) and polyimide (taped or TPI extruded), PEEK etc, they meet the demanding requirements of scientific and nuclear applications. They can be used as instrumentation, control and sensor cables in nuclear plants, or in particle detectors. The instrument and control cables for nuclear reactors are exposed to temperatures, dose rates, and accumulated doses during the anticipated 40 – 60 year operational life of the nuclear power plant fleet.

 

Cables meet Mould growth, Anti Rodent, Anti Termite, Thermal Ageing followed by Radiation resistance test, LOCA test and MSLB test meeting IEEE-383 and associated fire performance tests. Technical information Up to +100°C: halogen-free XLPE/XLPO (50-100 Mrad*) Up to +125°C: halogen-free TPU (100-200 Mrad*) Up to +155°C: ETFE insulation (10-30 Mrad*) Up to +250°C: Polyimide & PEEK (500-7000 Mrad*) Radiation-tolerant polymers and corresponding breakdown
Polymer* Breakdown strength(V/mil) Maximum usefulradiation dose(Gy)
PEEK 480 1 x 107
Nylon 300 – 400 2.5 x 104
Application These cables can be used as instrumentation, control and sensor cables in nuclear plants or in particle detectors.
Characteristics The radiation resistance of materials is defined using the Radiation Index (RI) in IEC 60544-4 and refers to the point at which the elongation break is reduced to ≥50% of the original value.1 Gy = 100 rad; 1Gy = 1J/kg The resistance of cables, wires and other products for connection technology against ionizing radiation plays a particularly crucial role in nuclear plants. In addition to the suitability of the products themselves, all the processes also need to meet the special requirements of such application areas. Temperature: Range – 20 Deg C to + 200 Deg C.
Applicable standards Customer standard
Product range Cable sizes started from 0.34 sq. mm onwards
Advantages The instrument and control cables in nuclear reactors get exposed to temperatures, dose rates, and accumulated doses for the 40- 60year operational life of the nuclear power plant fleet. The chemical, electrical, and mechanical performance of each was analyzed as a function of environmental exposure and composition.

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HARNESS for locomotives

Locomotive harnesses play an important role in ensuring easy, smooth and quick installations during railway locomotive harness production, and hence they have very unique designs and specifications.

They are used for different types of locomotive installations, and ensure effectiveness and operational safety. Different types of locomotive harnesses are suitable for use in different type of locomotives.
Application A harness is an organized set of wires, terminals, conduits and connectors that run throughout the entire locomotive and relay information and electric power there by playing a critical role in connecting a variety of locomotive harnesses. Based on its application and design, these locomotive harnesses are for railway locomotive likes WAG-9, WAP-7 locomotive installation in conduits, cable jackets, connectors including SB, HB, bogie, motor, converter, compressor, blower, roof, bur and speedometer. A few are used between main circuits, auxiliary circuits, control circuits, sensor circuits, roof circuits, battery circuits and earthing circuits. The cables are suitable for use on transformers, generators and battery cables for rated voltages up to 4000 V.
Characteristics – Cables and wires for preparation of harnesses as per ELRS/SPEC//ELC/0019, Rev.4 and EDTS 132 Rev.C electron beam-irradiated, thin-walled flexible cables with copper conductors. These have a voltage rating upto 1800/3000 V – Cable management systems as per RDSO/PE/SPEC/AC/0138/2009 – Crimping sockets as per EDTS-200, EDTS-201, ICF/SK-7-2-166 and ICF/SK-7-2-528 – Other wiring accessories are used as per geometric design and electrical requirements
Applicable standards EDTS specifications of different types of railway coaches.
Product range Sometimes, harness designs are very simple, like earthing cable single wires with basic connectors or crimping socket assembly at both ends. But in some projects, the electrical design requires an incredibly complex harness, which requires the incorporation of various conductors, connectors, terminations, sheathing, overmoulds, and or strain relief. APAR has taken all of these elements in to consideration while preparing our harness range.
Advantages Reduced installation time. Reduced risk of shorting. Great performance. Helps estimate the ability of readymade harnesses to function reliably for the expected service life of the whole coach.

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HARNESS for railway coach

Railway coach harnesses play an important role in ensuring the easy, smooth and quick installations during railway coach harness production, and hence they have very unique designs and specifications.

These harnesses are used for different types of coaches covered with fire-retardant accessories. They are also used for assembly and passengers safety. There are different harness designs for different coaches.
Application A harness is an organized set of wires, terminals, conduits and connectors that run throughout the entire locomotive and relay information and electric power there by playing a critical role in connecting a variety of locomotive harnesses. Based on its application and design, these locomotive harnesses are for railway locomotive likes WAG-9, WAP-7 locomotive installation in conduits, cable jackets, connectors including SB, HB, bogie, motor, converter, compressor, blower, roof, bur and speedometer. A few are used between main circuits, auxiliary circuits, control circuits, sensor circuits, roof circuits, battery circuits and earthing circuits. The cables are suitable for use on transformers, generators and battery cables for rated voltages up to 4000 V.
Characteristics – Cables and wires for preparation of harnesses as per ELRS/SPEC//ELC/0019, Rev.4 and EDTS 132 Rev.C electron beam-irradiated, thin-walled flexible cables with copper conductors. These have a voltage rating upto 1800/3000 V – Cable management systems as per RDSO/PE/SPEC/AC/0138/2009 – Crimping sockets as per EDTS-200, EDTS-201, ICF/SK-7-2-166 and ICF/SK-7-2-528 – Other wiring accessories are used as per geometric design and electrical requirements
Applicable standards EDTS specifications of different types of railway coaches.
Product range Sometimes, harness designs are very simple, like earthing cable single wires with basic connectors or crimping socket assembly at both ends. But in some projects, the electrical design requires an incredibly complex harness, which requires the incorporation of various conductors, connectors, terminations, sheathing, overmoulds, and or strain relief. APAR has taken all of these elements in to consideration while preparing our harness range.
Advantages Reduced installation time. Reduced risk of shorting. Great performance. Helps estimate the ability of readymade harnesses to function reliably for the expected service life of the whole coach.

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HARNESS for solar projects

Based on its application and design, cable harnesses are used for: off-grid solar plants, on-grid solar power plants, hybrid solar power solutions, solar street lights, domestic and industrial solar water heaters, solar AC/DC pumps with controllers, solar inverters and solar home lighting systems.

The solar harness is one of the most efficient ways to use the holistic energy of the sun through panels.
Application Based on its application and design, cable harnesses are used for: off-grid solar plants, on-grid solar power plants, hybrid solar power solutions, solar street lights, domestic and industrial solar water heaters, solar AC/DC pumps with controllers, solar inverters and solar home lighting systems.
Characteristics – Solar harness are suitable to use at ambient temperatures: -5°C to 52°C, and 100% humidity – V100= 41 m/s maximum wind velocity – Can annually face minimum 10 days of thunderstorm. – The harness can be designed for usage up to 25 years as per site condition – Resistance earthed system, AC MV system – Continuous operating temperatures ranging from -45°C to 120°C – Suitable to install in soil conditions with high chloride content, even acid soil conditions with a possibility of tidal flooding
Applicable standards Based on the application, design and drawing requirements
Product range Sometimes, harness designs are very simple, like earthing cable single wires with basic connectors or crimping socket assembly at both ends. But in some projects, the electrical design requires an incredibly complex harness, which requires the incorporation of various conductors, connectors, terminations, sheathing, overmoulds, and or strain relief. APAR has taken all of these elements in to consideration while preparing our harness range.
Advantages Environmentally friendly. Helps save electricity and utility costs.

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HARNESS for automotives & EV

APAR’s automotive wires are made from high-end customised polymers and polymer alloys, which are made for designated applications in the automotive industry.

Auto harnesses are assemblies of auto wires & cables that transmit current/signal in electrical controls/monitoring/power supply applications. They are a bundle of loose wires grouped together into a single covering for a more organized system. Such wire harnesses are used in various industries, with the automotive industry being one of the largest consumers. This includes the electric vehicle industry, which is poised to overtake the traditional fuel vehicle industry.
Application Automotive wire harnesses use a wide variety of wire harnesses for the best possible performance. Based on its application and electical and geometrical automobile design requirements, the harnesses are embeded in the body, engine and chassis of vehicles. The automotive wire harnesses used in two wheelers, three wheelers, cars, utility vehicles, commercial vehicles and earth equipments.
Characteristics – Complete range of electron-beam, cross-linked automotive wires – Most advanced cross-linking technology for insulation polymers – More rugged, and highly-improved electrical, physical and Environmental parameters than conventional wires – Green Technology. Eco friendly and RoHS. – Continuous operating temperatures ranging from -40°C to +150°C (3000 hours)
Applicable standards Based on the application, design and drawing specifications – QMS IATF- TS 16949, ISO 9001:2015 – NABL: ISO/IEC17025:2005 – ISO 6722- Type A,B,C,D and E – IS 694 & IS 2465 – Third party approval: ARAI – RoHS compliance
Product range – Battery cables as per IS 2465 – Battery cables as per SAE J1127/28 – FLRY-B type wires (DIN 72551 Part 5 & 6) – AVS & AVSS type wires (JASO D 611) – AV type wires (JIS C 3406) – E-beam cross-linked GXL/TXL/SXL Wires (ISO 6722 Type D) – E-beam cross-linked GXL/TXL/SXL Wires (ISO 6722 Type C) – CANBUS cables UTP-As Per SAE J 1939/15 – E-beam cross-linked battery cables (ISO 6722 Type B, C & D)
Advantages – Reduced installation time – Reduced risk of shorting – Great performance under harsh conditions – Improved fuel efficiency – Performance in hybrid cars

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