1. Product-Specific Details
1.1 Specifications and Parameters
The 16mm
4 Core Armoured low voltage electrical
Power Cable comes with a set of precise specifications and parameters that ensure its reliable performance in various low-voltage (LV) applications.
The voltage rating of this cable is typically 0.6/1kV, which is standard for LV power distribution systems. This rating indicates that it can safely handle a phase-to-earth voltage of 0.6kV and a phase-to-phase voltage of 1kV, making it suitable for connecting main distribution panels to sub-distribution points, machinery, and other electrical loads in LV networks.
Each of the four conductors has a cross-sectional area of 16mm². The current-carrying capacity of the cable is approximately 70A under normal operating conditions. However, this value can vary slightly depending on factors such as ambient temperature, installation method, and ventilation. For example, in high ambient temperatures (above 30°C), the current-carrying capacity may decrease by around 10% to prevent overheating. When installed in well-ventilated cable trays, it can maintain or slightly exceed the standard capacity.
The
Insulation Material, usually XLPE, has a thickness of about 1.0mm. This thickness is carefully determined to provide sufficient electrical insulation, ensuring that there is no leakage current between conductors or between conductors and the armouring. The XLPE insulation has a dielectric strength of at least 20kV/mm, which is crucial for withstanding the electrical stress in LV applications.
The steel armouring consists of galvanized steel wires. Typically, there are 7 steel wires, each with a diameter of 0.8mm. The galvanization layer has a thickness of at least 8μm, providing excellent corrosion resistance to withstand harsh environments, including exposure to moisture and chemicals. The armouring has a breaking strength of not less than 1500N, ensuring it can resist external impacts and crushing forces.
The outer sheath, available in PVC or LSZH, has a thickness of approximately 1.8mm.
PVC Sheaths have a tensile strength of at least 12MPa and an elongation at break of not less than 150%, ensuring
Flexibility and durability. LSZH sheaths, designed for fire safety, have similar mechanical properties but with the added benefit of low smoke and zero halogen emission. The overall diameter of the cable is around 20mm, which allows for easy installation in various settings, including cable trays and conduits.
The cable’s minimum bending radius is 6 times its overall diameter for fixed installations and 12 times for flexible installations. This means that for fixed laying, the minimum bending radius is 120mm, and for situations where the cable needs to be bent during installation or use, it is 240mm. This parameter ensures that the cable can be routed without damaging the insulation, armouring, or conductors.
1.2 Special Purpose
The 16mm
4 Core armoured low voltage
Electrical Power Cable is designed to serve a wide range of special purposes across different industries and applications, thanks to its unique combination of features.
In industrial facilities, it is widely used to power heavy machinery and equipment. Manufacturing plants, such as automotive factories, rely on this cable to supply electricity to robotic arms, welding machines, and conveyor systems. The steel armouring protects the cable from the constant vibrations, impacts, and abrasion caused by the operation of these machines. The 4-core configuration ensures balanced three-phase power supply, which is essential for the efficient operation of industrial motors and equipment. For example, in a car assembly line, the cable can reliably transmit power to multiple robotic stations, ensuring smooth and continuous production.
Commercial buildings, including shopping malls, office complexes, and hotels, also benefit from this cable. It is used in the main power distribution system to supply electricity to lighting, air conditioning, elevators, and other electrical loads. The armouring provides protection against accidental damage during construction and maintenance work. In shopping malls, where there is a high volume of foot traffic and frequent maintenance activities, the cable’s robust construction ensures uninterrupted power supply. The option of LSZH sheaths makes it suitable for use in areas with high fire safety requirements, such as hotel lobbies and office corridors, as it minimizes the risk of toxic gas emission in case of a fire.
Infrastructure projects, such as construction sites and roadworks, utilize this cable for temporary power distribution. It can be directly buried underground or laid in cable trays to connect temporary power sources to construction equipment like cranes, concrete mixers, and power tools. The steel armouring withstands the rough handling and potential damage from construction materials and heavy vehicles. For instance, on a road construction site, the cable can be laid across the work area without fear of being crushed by trucks or machinery.
Utility networks also employ this cable for distributing power in residential areas. It is used to connect distribution transformers to residential buildings, ensuring a stable power supply to homes. The armouring protects the cable from damage caused by digging, gardening activities, and rodent infestations, which are common in residential areas. The 16mm² conductor size is sufficient to meet the power demands of multiple households, making it an economical choice for utility companies.
Agricultural applications are another area where this cable proves useful. It is used in farms to power irrigation systems, grain dryers, and other agricultural machinery. The cable’s resistance to moisture and corrosion makes it suitable for outdoor use in farm environments, where it may be exposed to rain, fertilizers, and other chemicals. The armouring also protects it from damage by farm animals and machinery.
1.3 Materials and Styles
The 16mm 4 core armoured low voltage electrical power cable is constructed using high-quality materials, and it comes in various styles to suit different application requirements.
The conductors are made of high-purity copper, which has excellent electrical conductivity (≥58 MS/m). Copper is chosen for its ability to transmit electricity with minimal loss, ensuring efficient power distribution. The conductors are stranded, consisting of multiple small
Copper Wires twisted together. This stranded design enhances the flexibility of the cable, making it easier to bend and install in tight spaces. The stranding also improves the cable’s resistance to fatigue, which is important in applications where the cable is subject to frequent movement.
The insulation layer is made of cross-linked polyethylene (XLPE). XLPE is a thermosetting material that undergoes a cross-linking process, which gives it superior thermal stability and mechanical strength compared to traditional
PVC Insulation. It can operate at continuous temperatures up to 90°C and withstand short-circuit temperatures of 250°C for up to 5 seconds. This thermal resilience makes it suitable for use in environments where heat buildup is a concern. XLPE also has good
Chemical Resistance, making it unaffected by most industrial chemicals and oils.
The steel armouring is made of galvanized steel wires. The galvanization process involves coating the steel wires with a layer of zinc, which provides excellent corrosion resistance. This ensures that the armouring remains intact even in moist and corrosive environments. The steel wires are helically wrapped around the
Insulated Conductors, forming a strong and flexible protective layer. The armouring not only provides mechanical protection but also acts as a ground conductor in some installations, enhancing the safety of the electrical system.
The outer sheath is available in two materials: PVC and LSZH. PVC sheaths are cost-effective and offer good resistance to moisture, chemicals, and UV radiation. They are suitable for general-purpose indoor and outdoor applications. PVC is a flexible material, which makes the cable easy to handle and install. LSZH sheaths, on the other hand, are designed for use in environments where fire safety is critical. They are halogen-free, meaning they do not emit toxic gases when exposed to fire, and they produce very little smoke, which helps to maintain visibility and reduce the risk of respiratory problems during a fire. LSZH sheaths also have good mechanical properties, including resistance to abrasion and impact.
In terms of styles, the cable is available in both armored and unarmored versions, but the 16mm 4 core variant discussed here is specifically the armored type. The armored style is characterized by the presence of the steel wire armouring, which distinguishes it from
Unarmored Cables. The cable can also be customized with different colors for the sheath and conductors to aid in identification. For example, the phase conductors may be colored brown, black, and grey, while the neutral conductor is blue, following international color-coding standards.
1.4 Production Process
The production of the 16mm 4 core armoured low voltage electrical power cable involves a series of precise and controlled processes to ensure its quality and performance.
The first step is the manufacturing of the
Copper Conductors. High-purity copper rods are drawn through a series of dies to reduce their diameter and form thin wires. These wires are then stranded together using a stranding machine. The stranding process is done in a specific pattern to ensure that the conductor has the desired flexibility and current-carrying capacity. For the 16mm² conductor, multiple wires are twisted together to achieve the required cross-sectional area. The
Stranded Conductors are then annealed to soften them, making them more flexible and easier to work with.
Next, the insulation is applied to each conductor. The XLPE insulation is extruded onto the conductors using an extrusion machine. The extrusion process involves melting the XLPE compound and forcing it through a die that shapes it around the conductor. The thickness of the insulation is carefully controlled during extrusion to ensure it meets the specified requirements (1.0mm for this cable). After extrusion, the insulated conductors undergo a cross-linking process. This can be done using either chemical cross-linking or radiation cross-linking. In chemical cross-linking, the insulated conductors are heated in a vulcanization tube, which causes the cross-linking agents in the XLPE to react and form a three-dimensional molecular structure. In radiation cross-linking, the conductors are exposed to electron beams, which initiate the cross-linking process. Cross-linking enhances the thermal and mechanical properties of the XLPE insulation.
Once the four insulated conductors are ready, they are twisted together to form a 4-
Core Cable core. This twisting process is done using a cabling machine, which ensures that the conductors are evenly spaced and twisted at a specific pitch. The twisting helps to reduce electromagnetic interference and makes the cable more flexible. A bedding layer, usually made of PVC or a non-woven material, is then applied around the twisted core to provide a smooth surface for the armouring.
The steel wire armouring is then applied. Galvanized steel wires are fed into an armouring machine, which helically wraps them around the bedding layer. The tension and pitch of the wrapping are carefully controlled to ensure that the armouring is uniform and provides adequate protection. The number and diameter of the steel wires (7 wires of 0.8mm each for this cable) are chosen to meet the required mechanical strength.
After the armouring is applied, the outer sheath is extruded. For PVC sheaths, PVC compound is melted and extruded over the
Armoured Core using an extrusion machine. The thickness of the sheath is controlled to 1.8mm. For LSZH sheaths, a halogen-free compound is used in the extrusion process. The extrusion parameters, such as temperature and pressure, are adjusted according to the type of sheath material to ensure proper adhesion and uniformity.
Once the sheath is applied, the cable undergoes a series of testing processes. Electrical tests include insulation resistance testing, which measures the resistance between conductors and between conductors and the armouring to ensure there is no leakage current. Voltage withstand testing is also performed, where the cable is subjected to a higher voltage than its rated voltage for a specified period to check for insulation breakdown. Mechanical tests include tensile strength and elongation tests on the sheath and armouring to ensure they meet the required standards. The cable is also checked for dimensional accuracy, including conductor size, insulation thickness, and overall diameter.
After passing all tests, the cable is spooled onto reels of appropriate size, ready for packaging and distribution.
2. General Product Information
2.1 Packaging
The packaging of the 16mm 4 core armoured low voltage electrical power cable is designed to protect it during storage, transportation, and handling.
The cable is typically spooled onto wooden or steel reels. Wooden reels are commonly used for shorter lengths (up to 500 meters), while steel reels are used for longer lengths (up to 1000 meters or more). The reels have flanges to prevent the cable from slipping off during transportation and storage. The flanges are reinforced to withstand the weight of the cable.
The cable ends are sealed with heat-shrinkable caps to prevent moisture, dust, and debris from entering the cable core. This is particularly important for preserving the insulation properties of the cable. Each reel is labeled with essential information, including the cable type (16mm 4 core armoured LV power cable), conductor size, voltage rating, insulation and sheath materials, length of the cable on the reel, batch number, and compliance with relevant standards (such as IEC and BS).
The reels are wrapped with a layer of waterproof plastic film to provide additional protection against moisture. For export shipments, the reels are often placed in wooden crates that meet ISPM 15 standards. These crates are treated to prevent the spread of pests, ensuring compliance with international phytosanitary regulations. The crates also provide extra protection against mechanical damage during long-distance transportation.
2.2 Transportation
Transporting the 16mm 4 core armoured low voltage electrical power cable requires careful planning to ensure it arrives at its destination in good condition.
For domestic transportation, trucks with flatbed or curtain-sided trailers are commonly used. The reels are loaded onto the trailers using forklifts or cranes. They are secured to the trailer using steel straps and wooden blocks to prevent movement during transit. The straps are tightened around the reels and anchored to the trailer’s bed to withstand sudden stops, starts, and turns. The wooden blocks are placed between the reels to prevent them from rubbing against each other.
For international transportation, sea freight is the most common method, especially for large quantities. The reels are loaded into shipping containers, which are either 20-foot or 40-foot in size, depending on the number of reels. The reels are arranged in the container to maximize space utilization while ensuring stability. They are secured using dunnage bags, which are inflated to fill the gaps between the reels and prevent them from shifting during the voyage. Steel braces may also be used to further secure the reels to the container walls.
Air freight is used for urgent orders, but it is more expensive and is typically limited to smaller reels or shorter lengths of cable. The reels are packaged in lightweight but sturdy crates to meet airline weight restrictions. They are handled with care to avoid bending the cable beyond its minimum bending radius.
During transportation, the cable must be protected from extreme temperatures. High temperatures can cause the sheath material to soften, while low temperatures can make it brittle. Therefore, the transportation vehicles or containers should be equipped with temperature control systems if necessary, especially for long-distance shipments in extreme climate conditions.
2.3 Delivery
The delivery process of the 16mm 4 core armoured low voltage electrical power cable is designed to be efficient and reliable, ensuring customers receive their orders on time.
When a customer places an order, the manufacturer processes it and checks the availability of the cable. If the cable is in stock, it is prepared for delivery within 1-2 business days. For custom orders (e.g., with specific sheath materials or lengths), the delivery time may be longer, depending on the production schedule, typically 7-14 business days.
The manufacturer works with reputable logistics companies to arrange delivery. For domestic deliveries, the estimated delivery time is usually 2-5 business days, depending on the distance from the manufacturing facility to the customer’s location. For international deliveries, the time varies based on the destination country and the shipping method. Sea freight can take 2-6 weeks, while air freight takes 3-7 business days.
Customers are provided with a tracking number once the shipment is dispatched. This allows them to monitor the progress of their delivery online through the logistics company’s website. The tracking information includes details such as the current location of the shipment, estimated delivery date, and any delays or exceptions.
Upon delivery, the customer is required to inspect the cable reels for any visible damage. If damage is found, the customer should notify the manufacturer and the logistics company immediately. The manufacturer will arrange for a replacement or repair, depending on the extent of the damage.
2.4 Samples
Manufacturers of the 16mm 4 core armoured low voltage electrical power cable often provide samples to customers to allow them to evaluate the product before placing a large order.
Samples are typically short lengths of the cable, ranging from 1 to 5 meters. They include all the key features of the full-length cable, such as the 4-core configuration, XLPE insulation, steel armouring, and the chosen sheath material (PVC or LSZH). This allows customers to inspect the cable’s construction, check the quality of the materials, and perform any necessary tests.
To request a sample, customers can contact the manufacturer’s sales team via phone, email, or the company’s website. They need to provide details such as the desired sheath material, length of the sample, and their delivery address. Some manufacturers may charge a nominal fee for the sample, which is often refundable if the customer places a subsequent order of a certain quantity.
The samples are shipped using express courier services, such as DHL, FedEx, or UPS, to ensure quick delivery. Domestic samples are usually delivered within 2-3 business days, while international samples take 5-7 business days. The samples are packaged in small boxes or tubes to protect them during transit.
2.5 After-sales Service
Manufacturers of the 16mm 4 core armoured low voltage electrical power cable offer comprehensive after-sales service to ensure customer satisfaction.
Technical support is available to assist customers with installation, maintenance, and troubleshooting. The manufacturer’s team of engineers can provide guidance on proper installation methods, including bending radius requirements, termination techniques, and cable routing. They can also answer questions about the cable’s performance in specific environments and provide solutions to any issues that may arise.
Warranty coverage is provided for the cable. The standard warranty period is usually 1-5 years, depending on the manufacturer. The warranty covers defects in materials and workmanship. If the cable fails within the warranty period due to a manufacturing defect, the manufacturer will replace the defective cable or provide a refund, at the customer’s option. To make a warranty claim, customers need to provide proof of purchase and details of the defect.
In case of any problems with the cable during installation or use, the manufacturer offers repair or replacement services
to address issues promptly. For example, if the sheath is damaged during installation, the manufacturer can send technical personnel to assess the damage and carry out repairs, ensuring the cable continues to function properly.
Additionally, manufacturers often provide training programs for customers’ technical staff. These training sessions cover topics such as cable installation best practices, maintenance procedures, and safety precautions. By equipping customers with the necessary knowledge and skills, manufacturers help ensure that the cable is installed and maintained correctly, maximizing its service life and performance.
Feedback from customers is also valued as part of the after-sales service. Manufacturers actively seek input from customers regarding their experience with the cable, including any issues encountered or suggestions for improvement. This feedback is used to enhance product design, manufacturing processes, and service quality, ensuring that the 16mm 4 core armoured low voltage electrical power cable continues to meet the evolving needs of customers.
In the event of a product recall or safety notice, manufacturers take immediate action to notify customers and provide guidance on how to proceed. This may include arranging for the replacement of affected cables or offering technical support to mitigate any potential risks.
Overall, the after-sales service provided by manufacturers of the 16mm 4 core armoured low voltage electrical power cable is designed to build long-term relationships with customers, ensuring their satisfaction and confidence in the product. Whether through technical support, warranty coverage, repair services, training, or feedback mechanisms, manufacturers strive to provide comprehensive support throughout the entire lifecycle of the cable.
3. Conclusion
The 16mm 4 core armoured low voltage electrical power cable is a highly reliable and versatile solution for low-voltage power distribution in a wide range of applications. Its precise specifications, including the 0.6/1kV voltage rating, 16mm² conductor size, and robust construction with XLPE insulation, steel armouring, and PVC or LSZH sheaths, ensure it can withstand the demands of industrial, commercial, infrastructure, utility, and agricultural environments.
The special purposes it serves are diverse, from powering heavy machinery in manufacturing plants to ensuring stable electricity supply in residential areas and agricultural facilities. The choice of high-quality materials, such as high-purity
Copper Conductors, XLPE insulation, galvanized steel armouring, and PVC or LSZH sheaths, contributes to its excellent performance, durability, and safety.
The production process, which involves precise conductor manufacturing, insulation extrusion and cross-linking, core twisting, armouring application, sheath extrusion, and rigorous testing, ensures that each cable meets strict quality standards. The general product information, including packaging, transportation, delivery, sample provision, and after-sales service, is designed to provide customers with a seamless experience, from ordering to installation and beyond.
Whether in terms of technical specifications, application versatility, material quality, production precision, or customer support, the 16mm 4 core armoured low voltage electrical power cable stands out as a superior choice for low-voltage power distribution needs. Its combination of performance, durability, and reliability makes it an indispensable component in modern electrical systems, contributing to the efficient and safe operation of various industries and applications.
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