Conductor Cross-sectional Area: The conductor cross-sectional area of this cable is precisely 1.5mm², a value determined through accurate calculation. It directly determines the current-carrying capacity of the cable. Under conventional environmental conditions, i.e., at a temperature of around 30°C with good ventilation, its current-carrying capacity stably ranges from 10 to 16 amperes. This current-carrying range can well meet the power supply needs of most low-power electrical equipment, such as common small household appliances and lighting fixtures.
Rated Voltage: The rated voltage is 450/750V, which has a clear meaning. In an AC electrical system, the rated voltage between conductors is 450V, and the rated voltage between a conductor and the ground is 750V. This design allows the cable to be safely used in low-voltage distribution networks, whether in the Internal Wiring of family residences, commercial places, or industrial facilities' low-voltage distribution systems.
Conductor Structure: The conductor is made of high-purity electrolytic copper, with a purity usually above 99.9%. This high-purity copper material ensures excellent conductivity, effectively reducing energy loss during current transmission. The conductor is usually in the form of multi-strand stranding, generally consisting of 7 fine Copper Wires with a diameter of approximately 0.52mm stranded together. The multi-strand stranded structure brings many benefits: it significantly improves the Flexibility of the cable, enabling it to be easily bent and folded, facilitating laying in narrow spaces such as conduits inside walls and ceiling interlayers. It also enhances its fatigue resistance, effectively coping with mechanical stress caused by vibration, temperature changes, etc., during installation and use, reducing the risk of conductor breakage.
Insulation Layer Parameters: The outer insulation layer is made of polyvinyl chloride (PVC) material, with a uniform insulation thickness strictly controlled between 0.6-0.8mm. This thickness can not only ensure good electrical insulation performance, effectively isolating current and preventing short circuits and leakage accidents but also reduce the weight of the cable to a certain extent, facilitating installation and use. At the same time, the insulation layer has a certain mechanical strength, able to resist slight external collisions and friction.
Conductor Resistance: According to the IEC 60227 standard, at an ambient temperature of 20°C, the maximum resistance value of the Cable Conductor does not exceed 12.1Ω/km. The low resistance value ensures less loss during current transmission, improves the efficiency of power transmission, and also reduces heat generation due to excessive resistance, lowering safety hazards.
Insulation Resistance: The insulation resistance of the insulation layer is an important indicator to measure its insulation performance. At room temperature, the insulation resistance of this cable is usually greater than 100MΩ·km, which means the insulation layer can effectively prevent current leakage, ensuring the safe operation of the cable.
Outer Diameter Size: The outer diameter of the cable is determined by both the conductor and the insulation layer, generally ranging from 2.5 to 3.0mm. The appropriate outer diameter allows the cable to pass through conventional conduits smoothly, facilitating construction and installation, and also adapting to different laying environments.
Residential Field:
Lighting Circuits: In family residences, various lighting fixtures are essential for daily life, such as chandeliers in the living room, ceiling lamps in the bedroom, and downlights in the kitchen. These lamps usually have low power, generally ranging from a few watts to tens of watts, and the 1.5mm² cable can fully meet their power supply needs. Its flexibility allows the cable to be easily laid along conduits in walls and ceilings without affecting the indoor appearance.
Ordinary Socket Circuits: Ordinary sockets in homes need to supply power to low-power electrical appliances such as mobile phone chargers, desk lamps, and small electric fans. The 1.5mm² cable can carry the current when these appliances work simultaneously. Whether it is a socket in the living room, bedroom, or study, using this cable for circuit wiring is both safe and economical.
Power Supply for Small Household Appliances: Small household appliances such as televisions, computers, routers, and low-power microwave ovens have relatively low power. Using a 1.5mm² cable for power supply connection can ensure stable power transmission and the normal operation of the appliances.
Commercial Places Field:
Offices: The lighting system in offices usually consists of a large number of fluorescent lamps and LED lamps. The total power of these lamps is moderate, and the 1.5mm² cable can be used as the main or branch line of the lighting circuit. At the same time, small office equipment in the office, such as computers, printers, and copiers, can also be connected to the power supply through this cable to meet the daily office power needs.
Shopping Malls: Shopping malls have high lighting requirements, including both basic lighting and decorative lighting. The 1.5mm² cable can provide stable power support for these lighting equipment. In addition, small display cabinets and cash register equipment in shopping malls also often use this cable for power supply.
Hotels: The lighting and ordinary socket circuits in hotel guest rooms, corridors, lobbies, and other areas mostly use 1.5mm² cables. It can meet the needs of guests using various small electrical appliances in the guest rooms and ensure the normal power supply in public areas.
Industrial Field:
Control Circuits: In industrial production equipment, there are many control components such as relays, contactors, and sensors. These components have small working currents, and the 1.5mm² cable can be used as the connection line of the control circuit to ensure the accurate transmission of control signals and the normal operation and operation of the equipment.
Signal Transmission Lines: In some industrial automation systems, various signals such as temperature signals and pressure signals need to be transmitted. The 1.5mm² cable can be used as a signal transmission line, and its good insulation performance can reduce signal interference, ensuring the stability and accuracy of signal transmission.
Connection of Low-power Motors: For some low-power motors, such as small conveyor belt motors and ventilation motors, the 1.5mm² cable can meet their power supply needs, providing stable power for the start-up and operation of the motors.
Agricultural Facilities Field:
Greenhouse Lighting: Greenhouses need appropriate lighting conditions to ensure crop growth. The 1.5mm² cable can be used to connect lighting equipment in the greenhouse, such as plant growth lamps, to provide sufficient light for crops.
Power Supply for Small Irrigation Equipment: Some small irrigation water pumps, solenoid valves, and other equipment have low power. Using a 1.5mm² cable for power supply can ensure the normal operation of the irrigation equipment and meet the irrigation needs of crops.
Conductor Material: The conductor is made of high-purity electrolytic copper, which has undergone a special refining process to remove impurities, with a purity of up to 99.9% or more. High-purity electrolytic copper has excellent conductivity, with high conductivity, enabling efficient transmission of current and reducing energy loss during transmission. At the same time, electrolytic copper has good ductility and plasticity, making it easy to process into fine copper wires and not easy to break during stranding, ensuring the structural stability of the conductor. In addition, copper has relatively stable chemical properties, not easily oxidized and corroded in normal use environments, and can maintain good conductivity for a long time, extending the service life of the cable.
Insulation Material: The insulation layer is made of polyvinyl chloride (PVC) material, a commonly used synthetic polymer material. PVC material has excellent electrical insulation performance, which can effectively isolate current, prevent current leakage and short-circuit accidents, and ensure the safe operation of the electrical system. It also has good chemical corrosion resistance, able to resist the erosion of various chemical substances such as acids, alkalis, salts, and oils, making it suitable for use in environments with slight chemical pollution. At the same time, PVC material has certain wear resistance and mechanical strength, able to withstand certain external friction and collision, protecting the internal Copper Conductor from damage. In addition, PVC material has certain flame retardant properties. When encountering an open flame, it burns slowly and can self-extinguish, reducing the risk of fire spread and buying time for personnel evacuation and fire fighting.
Style Design:
Color Options: The insulation layer of the cable usually has a variety of colors to choose from, commonly including black, white, red, blue, yellow, etc. Different colors can be used to distinguish different uses of the cable. For example, red and yellow are usually used as live wires, blue and black as neutral wires, and yellow-green bicolor as Ground Wires. Clear color identification enables quick and accurate identification of the cable's function during installation and maintenance, reducing the risk of incorrect connection and improving construction efficiency and the safety of the electrical system.
Appearance: The cable is cylindrical overall, with a smooth and flat surface, no obvious protrusions or depressions. This regular appearance allows the cable to pass through conduits smoothly during laying, reducing frictional resistance. At the same time, the smooth surface is also easy to clean and maintain, not easy to accumulate dust and dirt.
Identification Information: On the surface of the cable's insulation layer, in accordance with the requirements of the IEC 60227 standard, clear identification information is printed, including the cable's model, specification (1.5mm²), rated voltage (450/750V), execution standard (IEC 60227), manufacturer's name or trademark, production date, etc. This identification information not only facilitates users to identify and purchase the cable but also provides a basis for cable quality traceability and after-sales service, ensuring product traceability.
Copper Rod Melting and Casting: First, high-purity electrolytic copper raw materials are put into a melting furnace for melting, and the copper is melted into copper liquid at high temperature. During the melting process, it is necessary to strictly control the temperature and time to ensure the purity and uniformity of the copper liquid. Then, the copper liquid is cast into copper rod blanks, and the diameter of the copper rod blanks is determined according to subsequent processing needs. During the casting process, it is necessary to prevent impurities from mixing in to ensure the quality of the copper rod blanks.
Copper Rod Drawing: The copper rod blanks are drawn through a wire drawing machine to process the thick copper rods into fine copper wires of the required diameter. The drawing process gradually thins the copper rod through a series of dies with different apertures, and each drawing can reduce the diameter of the copper wire by a certain extent. During the drawing process, it is necessary to control the drawing speed, tension, and die temperature to ensure that the diameter of the copper wire is uniform, the surface is smooth, and there are no burrs or scratches. At the same time, a certain amount of heat is generated during the drawing process, so the copper wire needs to be cooled to prevent its mechanical properties and conductivity from being affected by excessive temperature. The drawn fine copper wire needs to be annealed. By heating and heat preservation, the internal stress of the copper wire is eliminated, and its flexibility and ductility are improved, facilitating the subsequent stranding process.
Copper Wire Stranding: Multiple strands of annealed fine copper wires are stranded by a stranding machine to form a 1.5mm² conductor. During stranding, it is carried out according to a certain stranding pitch and direction, usually using regular stranding or bunch stranding. The size of the stranding pitch affects the flexibility and filling factor of the conductor and needs to be precisely controlled according to design requirements. During the stranding process, it is necessary to ensure that each strand of copper wire is evenly stressed and neatly arranged, avoiding phenomena such as loose strands and broken strands, to ensure the structural stability and good conductivity of the conductor. After stranding, the conductor needs to undergo appearance inspection and size measurement to ensure it meets the specification requirements.
Insulation Extrusion: The Stranded Copper Conductor is fed into the 机头 of the extruder, and at the same time, PVC Insulation Material (usually granular) is added to the hopper of the extruder. The PVC granules are heated, melted, and plasticized in the extruder, then uniformly extruded through the die of the 机头，wrapping around the outer layer of the copper conductor to form an insulation layer. During the extrusion process, it is necessary to precisely control parameters such as extrusion temperature, screw speed, and traction speed to ensure that the insulation layer has a uniform thickness, high concentricity with the conductor, a smooth and flat surface, and no defects such as bubbles, pinholes, or cracks. The thickness of the insulation layer is strictly controlled between 0.6-0.8mm to meet the requirements of electrical insulation performance and mechanical properties.
Cooling and Solidification: The extruded cable immediately enters a cooling water tank for cooling. Through the action of cold water, the PVC Insulation layer is quickly cooled and solidified into the required shape. The water temperature of the cooling water tank needs to be strictly controlled, usually using a segmented cooling method. First, water at a lower temperature is used for preliminary cooling, and then the water temperature is gradually increased to avoid internal stress or cracks in the insulation layer due to too fast cooling speed. The cooled cable insulation layer should have a certain hardness and elasticity, feeling smooth and tough when touched by hand.
Spark Test: To test the electrical insulation performance of the insulation layer, the cooled cable needs to undergo a spark test. When the cable passes through the high-voltage electrode, if the insulation layer has defects such as pinholes and cracks, the high-voltage electricity will break down the defective part, generating sparks. At this time, the equipment will automatically alarm, and the operator will mark the defective cable for repair or rejection. The spark test can effectively detect tiny defects in the insulation layer, ensuring that the insulation performance of the cable meets the standard requirements.
Take-up and Packaging: The cables that pass the spark test are pulled to the take-up machine and wound according to the specified length (such as 100 meters, 200 meters, 500 meters, etc.). During the take-up process, it is necessary to control the take-up tension to make the cable wound neatly and tightly, avoiding looseness, distortion, or knotting. After winding, the cable is packaged, usually wrapped with plastic film. For long-length cables, they are wound on plastic reels or wooden shafts and then packaged as a whole. The package is printed with clear product information and logos, facilitating storage, transportation, and sales.
Packaging Materials:
Plastic Reels: For long-length cables (such as 500 meters, 1000 meters), plastic reels are usually used for packaging. Plastic reels are generally made of high-strength polyethylene (PE) or polypropylene (PP) materials, with the characteristics of light weight, high strength, corrosion resistance, and impact resistance. The reel has a reasonable structural design, with a circular shaft hole in the middle, facilitating operation with mechanical devices during take-up and pay-off. There are baffles on both sides of the reel, which can prevent the cable from slipping off the reel during transportation and storage and protect the end of the cable from damage.
Wooden Shafts: Some long-length cables also use wooden shafts for packaging. Wooden shafts are usually made of high-quality wood, with high strength and stability, able to bear large weights. The cost of wooden shafts is relatively low, and they have good environmental performance and can be recycled.
Cartons: For short-length cables (such as 10 meters, 20 meters, 50 meters, 100 meters), cartons are generally used for packaging. Cartons are made of high-strength corrugated paper, with certain pressure resistance and moisture resistance, able to protect the cable from external pressure and moisture. The inside of the carton is usually padded with moisture-proof paper or bubble film to further enhance the protection effect.
Plastic Film: Whether using reel or carton packaging, the outer layer of the cable is wrapped with a layer of plastic film. Plastic film has good moisture-proof and dust-proof performance, able to prevent the cable from being polluted and damp during transportation and storage, keeping the cable clean and dry.
Packaging Methods:
Reel Packaging: The cable is neatly wound on a plastic reel or wooden shaft. During the winding process, it is necessary to control the tension to make the cable arranged tightly and evenly, without overlapping, twisting, or loosening. After winding, the entire reel and cable are wrapped tightly with plastic film and fixed with tape. Product labels are pasted on the baffles on both sides of the reel, indicating the cable's model, specification, length, rated voltage, execution standard, manufacturer, production date, etc.
Carton Packaging: A certain length of cable is coiled into a circle or ellipse and placed in a carton. To prevent the cable from shaking in the carton, buffer materials such as foam blocks or bubble wrap can be placed around the cable. Then the carton lid is closed and sealed tightly with tape. On the surface of the carton, product labels with the same information as reel packaging are also printed or pasted.
Packaging Labels: The label information on the packaging is clear and standardized, meeting the requirements of relevant standards. In addition to the basic product information, some warning signs may also be printed, such as "Keep away from sunlight", "Protect from rain", "Handle with care", "Do not stack heavily", etc., to remind transportation and storage personnel to pay attention to correct operation methods and avoid damaging the cable due to improper operation. At the same time, the contact information of the manufacturer is also indicated on the label, facilitating users to consult and communicate when encountering problems.
Transportation Methods:
Road Transportation: This is one of the most commonly used transportation methods, suitable for medium and short-distance transportation. Road transportation has the advantages of high flexibility, fast transportation speed, and the ability to provide door-to-door service. Transport vehicles are usually trucks, and the carriage should be kept clean, dry, and flat, without sharp objects or corrosive substances. For cables packaged with reels, they can be fixed in the carriage to prevent rolling during transportation; for carton-packaged cables, they should be stacked neatly to avoid excessive squeezing.
Railway Transportation: Suitable for long-distance and large-volume cable transportation. Railway transportation has the characteristics of large transportation volume, low cost, and good stability, which can reduce the impact of bumps and vibrations during transportation on the cable. Cables are usually transported in containers or boxcars. Container transportation can provide better protection, preventing the cable from being affected by the external environment such as rain and dust.
Waterway Transportation: Mainly used for long-distance transportation across countries or regions, especially for large quantities of exported cables. Waterway transportation has low cost but takes a long time. During waterway transportation, the cable needs to be stored in the cabin to avoid exposure to the open air to prevent erosion by rain, seawater, etc. It is also necessary to fix the cable to prevent it from colliding and being damaged due to ship shaking.
Transportation Precautions:
Loading and Unloading: During loading and unloading, mechanical equipment or manual handling should be used gently to avoid rough operation such as throwing, dropping, or dragging the cable, which may cause damage to the cable's insulation layer or conductor. For reel-packaged cables, special tools should be used to lift and move them to prevent the reel from being deformed or damaged.
Stacking Requirements: When stacking cables, they should be stacked in a neat and stable manner, and the stacking height should be appropriate to avoid collapse. Different specifications and packaging forms of cables should be stacked separately, and signs should be set for easy identification and counting. The bottom layer of the stacked cables should be padded with pallets or wooden boards to prevent moisture and corrosion.
Environmental Protection: During transportation, avoid exposing the cable to harsh environments such as high temperature, low temperature, strong sunlight, and heavy rain for a long time. In hot summer, measures such as covering with sunshade nets can be taken to prevent the PVC insulation layer from aging and cracking due to high temperature; in rainy days, rainproof cloth should be used to cover the cable to prevent moisture.
Prohibition of Mixed Loading: Cables must not be mixed with flammable, explosive, corrosive, or toxic substances for transportation to avoid accidents such as fire, explosion, or cable pollution. If it is necessary to transport together with other goods, effective isolation measures must be taken.
Transportation Documentation: Complete transportation documents should be prepared during transportation, including waybills, packing lists, product certificates, etc. The documents should clearly indicate the product name, specification, quantity, destination, consignee, etc., to ensure smooth transportation and delivery.
Order Confirmation: After receiving the user's order, the manufacturer's sales staff will confirm the order details with the user in a timely manner, including the product specification (1.5mm²), quantity, delivery address, delivery time, packaging requirements, etc. For special requirements put forward by users, such as customized lengths or special packaging, it is necessary to conduct in-depth communication to ensure that both parties have a consistent understanding.
Inventory Check: According to the confirmed order information, the warehouse staff will check the inventory. If the inventory is sufficient, they will arrange for goods preparation in time; if the inventory is insufficient, they will notify the production department to arrange production as soon as possible to ensure that the goods can be delivered within the agreed delivery time. During the inventory check, it is necessary to carefully check the product's model, specification, production date, and quality status to ensure that the delivered products are qualified.
Goods Preparation and Inspection: The warehouse staff will pick the corresponding cables according to the order requirements and conduct a comprehensive inspection of the products, including checking whether the packaging is intact, whether the labels are clear, whether the cable's appearance is damaged, etc. If any unqualified products are found, they will be replaced in time to ensure that the delivered products meet the quality standards.
Delivery Scheduling: According to the delivery address and quantity, the logistics department will choose a suitable transportation method and logistics company, and sign a transportation contract with the logistics company to clarify the rights and obligations of both parties. The delivery information, such as the logistics company's name, waybill number, and estimated arrival time, will be fed back to the user in a timely manner so that the user can track the logistics information.
Delivery Follow-up: After the goods are delivered, the staff will track the logistics information in real-time. If there is a delay in delivery, damage to the goods, or other abnormal situations, they will communicate with the logistics company in a timely manner to solve the problem and inform the user of the processing progress. After the user receives the goods and confirms that they are correct, the delivery process is completed.
Sample Provision: Users can apply for samples through the manufacturer's official website, phone, email, or other channels. When applying, they need to provide basic information such as the contact person, contact information, and delivery address, and specify the requirement for the 1.5mm² 450/750V PVC insulated copper cable. Generally, the manufacturer will provide samples free of charge, but the user needs to bear the sample transportation cost. The length of the sample is usually 1-5 meters, which is sufficient for users to conduct tests and evaluations.
Sample Production and Delivery: After receiving the user's sample application, the manufacturer will arrange for sample production or select qualified products from the stock as samples. The sample production strictly follows the same production process and quality standards as formal products to ensure that the sample's performance is consistent with the batch products. After the sample is ready, it will be delivered to the user through a suitable logistics method, and the logistics information will be notified to the user.
Sample Feedback: After receiving the sample, the user can conduct various tests, such as checking the appearance, measuring the size, testing the conductivity and insulation performance, etc. If the user has any questions or suggestions about the sample, they can feedback to the manufacturer in a timely manner. The manufacturer will provide professional answers and explanations based on the user's feedback, and if necessary, adjust the product according to the user's reasonable suggestions.
Quality Guarantee: The manufacturer provides a quality guarantee period for the product, usually 1-3 years from the date of delivery. During the guarantee period, if the cable has quality problems (such as insulation layer cracking, conductor breakage, etc.) due to manufacturing defects, which affect the normal use, the user can apply for repair, replacement, or return with the purchase certificate and after-sales service application form. The manufacturer will verify the problem and handle it in a timely manner according to the actual situation.
Technical Support: Users can consult the manufacturer's technical staff for technical problems encountered in the process of cable installation, use, and maintenance. Technical staff will provide professional guidance and solutions through phone, email, video, or on-site service, such as providing installation specifications, answering questions about cable selection and use, and troubleshooting.
Complaint Handling: If users are dissatisfied with the product quality or service, they can file a complaint with the manufacturer's after-sales department. The after-sales department will record the complaint content in detail, conduct an investigation and verification, and give a clear reply and handling plan within the specified time (usually 3-5 working days). For reasonable complaints, the manufacturer will take active measures to make up for the user's losses and improve the service quality.
Regular Return Visit: The manufacturer will conduct regular return visits to users who have purchased the product, understand the use of the cable, collect user opinions and suggestions on the product and service, and take them as an important basis for product improvement and service optimization. Through return visits, the manufacturer can maintain good communication with users, enhance user trust and satisfaction, and establish a good corporate image.
Hongtai Cable Technology Co., Ltd
Correo electrónico: export@qlcables.com
sales@qlcables.com
Tel/WhatsApp:+86-18032066271
Agregue: Zona de desarrollo industrial de Xiaokou, condado de Ningjin, ciudad de Xingtai, provincia de Hebei, China
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