H07V-U Cable Single Core Solid PVC Electrical Wire 450/750V 1.5mm² & 2.5mm²

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2025-08-21 05:59:47

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Introdução ao produto

Detailed Introduction to H07V-U Single-Core Solid PVC Electrical Wire (450/750V, 1.5mm² and 2.5mm²)

I. From the Perspective of the Product Itself

(1) Specification Parameters

The specification parameters of H07V-U single-core solid PVC Electrical Wire are carefully set to meet electrical needs in different scenarios.

The rated voltage is 450/750V, which means that the wire can work stably for a long time in systems with an AC voltage of 450V and below, and can also withstand a short-term overvoltage of 750V, providing a certain safety margin for the electrical system. It can be adapted to this voltage level whether it is for lighting and socket circuits in homes or electrical equipment connections in small commercial places, ensuring the safety and stability of power transmission.

There are two wire diameter specifications available: 1.5mm² and 2.5mm². For the 1.5mm² wire, the conductor diameter is approximately 1.38mm, the insulation layer thickness is usually around 0.7mm, and the overall outer diameter is about 2.78mm. The current-carrying capacity of this specification is approximately 19A when laid in air, and about 14A when laid in a pipe (with three wires), which is sufficient to meet the power needs of medium and low-power equipment. For the 2.5mm² wire, the conductor diameter is about 1.78mm, the insulation layer thickness is about 0.8mm, and the overall outer diameter is about 3.38mm. The current-carrying capacity when laid in air is about 26A, and when laid in a pipe (with three wires) is about 20A, which can cope with the power consumption of equipment with slightly higher power.

In addition, the conductor DC resistance of the wire is also strictly regulated. The maximum DC resistance of the 1.5mm² conductor at 20℃ does not exceed 12.1Ω/km, and that of the 2.5mm² conductor does not exceed 7.41Ω/km. This indicator ensures the conductivity of the wire and reduces losses during current transmission. The operating temperature range of the wire is from -15℃ to 70℃. Within this temperature range, all performances of the wire can remain stable, and there will be no problems such as insulation aging and conductor performance degradation due to excessively high or low temperatures.

(2) Characteristic Uses

H07V-U single-core solid PVC electrical wire has characteristic uses in many fields due to its unique performance.

In home decoration, it is an indispensable electrical material. The 1.5mm² wire is often used in lighting circuits in bedrooms, living rooms, studies and other areas, connecting various chandeliers, ceiling lamps, wall lamps and other lighting equipment to ensure stable lighting. At the same time, it is also suitable for connecting small household appliances such as TVs, set-top boxes and routers, providing continuous power support for these devices. The 2.5mm² wire plays an important role in kitchens and bathrooms. It can connect kitchen appliances such as electric kettles, microwave ovens and rice cookers, as well as bathroom equipment such as electric water heaters and bathroom heaters. These devices have relatively high power, and the 2.5mm² wire can meet their current needs and ensure safe use.

In commercial places, such as small supermarkets, convenience stores, offices, etc., this wire is also widely used. Shelf lighting in supermarkets, power supply for cash register equipment, and power connections for equipment such as computers, printers and air conditioners in offices can all choose this wire. Its stable performance and convenient installation features can improve the construction efficiency of electrical systems in commercial places and reduce later maintenance costs.

In industrial auxiliary areas, such as factory control rooms and small workshops, H07V-U single-core solid PVC Electrical Wires can be used to connect control instruments, small motors and other equipment. The environment in these areas is relatively complex, and there may be slight dust, oil stains, etc. However, the PVC Insulation layer of the wire has a certain ability to resist oil stains and dust, and can work stably in such environments to ensure the normal operation of the equipment.

In addition, this wire can also play a role in some temporary power supply scenarios, such as temporary power supply for small outdoor activities and temporary lighting in construction. Its good Flexibility and insulation performance make temporary wiring more convenient and fast, and also ensure the safety of temporary power use.

(3) Material and Style

Conductor Material: High-purity electrolytic copper is used, with a purity of more than 99.95%. High-purity copper has excellent conductivity, which can transmit current quickly and efficiently, reducing energy loss. At the same time, copper has good ductility and toughness, which is convenient for processing into solid conductors, and is not easy to break during installation, ensuring the service life of the wire.

Insulation layer material: High-quality PVC (polyvinyl chloride) material is selected. PVC material has good insulation performance, which can effectively isolate the conductor from the outside world and prevent electric leakage accidents. It also has certain chemical corrosion resistance and has good resistance to some acid and alkali substances that may be encountered in daily life. In addition, the cost of PVC material is relatively low, making the overall price of the wire more affordable, suitable for large-scale use.

Style design: The wires have a variety of colors. In addition to the common red (live wire), blue (neutral wire), yellow-green two-color (Ground Wire), there are also black, white and other colors to choose from. Wires of different colors are convenient for distinguishing different circuits and polarities during wiring, reducing wiring errors. The wire has a single-core solid structure, with a cylindrical appearance, smooth and flat surface, and no burrs, bubbles and other defects. This design is not only beautiful, but also convenient for threading and wiring, improving construction efficiency.

(4) Production Process

The production process of H07V-U single-core solid PVC electrical wire is rigorous and meticulous to ensure that the product quality meets the standards.

Conductor preparation: First, high-purity copper raw materials are smelted to remove impurities, and copper water with meet the required purity is obtained. The copper water is made into copper rods through continuous casting process. The copper rods are then drawn through a wire drawing machine to form solid Copper Wires with corresponding diameters according to the specifications of 1.5mm² and 2.5mm². During the wire drawing process, it is necessary to strictly control the drawing speed and die size to ensure that the diameter of the copper wire is uniform and the surface is smooth.

Insulation layer extrusion: The extrusion molding process is used to wrap the PVC insulation layer outside the copper wire. PVC pellets raw materials are added to the extruder, heated and melted, and then uniformly coated on the surface of the copper wire through the extrusion die. During the extrusion process, it is necessary to accurately control the extrusion temperature (usually between 160℃-180℃), extrusion speed and pressure to ensure that the insulation layer has uniform thickness, is closely combined with the copper wire, and has no defects such as bubbles and pinholes. The thickness of the insulation layer must be strictly in accordance with relevant standards to ensure good insulation performance.

Cooling and solidification: The extruded wire enters the cooling water tank for cooling, so that the PVC insulation layer can be quickly solidified and formed. The cooling water temperature is generally controlled at 20℃-30℃, and the cooling time depends on the specifications of the wire and the extrusion speed to ensure that the insulation layer is completely solidified and the hardness and toughness meet the requirements.

Quality inspection: The cooled wire undergoes a series of quality inspections, including appearance inspection (checking whether the insulation layer is smooth and has no damage), size inspection (measuring conductor diameter, insulation layer thickness, overall outer diameter), electrical performance inspection (testing insulation resistance, voltage resistance strength), etc. Only wires that meet the standards in all indicators can enter the next process.

Wire take-up and packaging: The wires that pass the quality inspection are wound up by a wire take-up machine according to a certain length (usually 100 meters, 200 meters, 500 meters, etc.), and then packaged for delivery.

II. From the Perspective of General Product Information

(1) Packaging

The packaging design of H07V-U single-core solid PVC electrical wire takes into account both product protection and convenient transportation and storage.

For wires with short lengths such as 100 meters and 200 meters, plastic reels are usually used for packaging. The plastic reels are made of high-strength polyethylene material, which has good compression resistance and moisture resistance. The wires are neatly wound on the reels, and appropriate tension is maintained during winding to avoid loose or excessive stretching of the wires. Both ends of the reel are provided with circular baffles, the diameter of which is larger than the maximum diameter after the wire is wound, which can effectively prevent the wire from slipping during transportation and storage. The side of the reel is printed with clear product information, including product name, specifications (wire diameter, rated voltage), length, production date, batch number, implementation standard, etc., which is convenient for users to identify and query.

For wires with long lengths such as 500 meters, wooden reels are used for packaging. The wooden reels are made of high-quality pine or fir, with a solid structure and can bear large weights. After the wire is wound on the wooden reel, it is tightly wrapped with plastic film to form a sealed whole, which plays the role of moisture-proof, dust-proof and wear-proof. The center of the wooden reel is provided with a shaft hole, which is convenient for handling and loading/unloading with forklifts and other equipment, improving transportation efficiency.

Whether it is plastic reel or wooden reel packaging, eye-catching warning signs such as "Keep away from fire", "Handle with care", "Moisture-proof and sun-proof" are pasted on the outside of the packaging to remind operators to pay attention to relevant matters during handling and storage to avoid product damage.

(2) Transportation

To ensure that H07V-U single-core solid PVC electrical wires are not damaged during transportation, there are strict specifications and requirements for the transportation link.

The transportation method is selected according to the order quantity and destination. For domestic short-distance transportation (usually within 500 kilometers), road transportation is adopted, using closed trucks. The truck compartment must be kept clean and dry, without oil stains, sharp debris, etc., to prevent the wire packaging from being polluted or scratched. During transportation, the wire reels or wooden reels must be fixed firmly, and they are bound in the compartment with ropes or special fixing devices to avoid rolling and collision due to bumps and turns during vehicle operation.

For long-distance transportation or large-volume orders, railway transportation can be chosen. Railway transportation has the characteristics of large transportation volume and good stability, which can reduce bumps during transportation. In railway transportation, the packaging of wires must comply with the relevant regulations of railway transportation to ensure that the goods can be loaded and unloaded safely.

For export orders, sea or air transportation is adopted. Sea transportation is suitable for large quantities of goods, with relatively low cost but long transportation time. During sea transportation, it is necessary to take moisture-proof and anti-salt spray corrosion measures, and waterproof cloth can be added to the outside of the packaging. Air transportation is suitable for small quantities and emergency orders, with fast transportation speed but high cost. It is necessary to ensure that the wire packaging meets the requirements of air transportation, and the weight and volume are within the specified range.

No matter which transportation method is adopted, the transportation process must be tracked and monitored to keep abreast of the location and status of the goods. In case of special circumstances such as bad weather and traffic jams, the transportation plan must be adjusted in time to ensure that the goods can be delivered to the destination on time and safely.

(3) Delivery

The delivery process of H07V-U single-core solid PVC electrical wire is efficient and orderly to ensure that customer needs are met in a timely manner.

After the customer places an order, the sales department will promptly transmit the order information to the warehouse department. Warehouse staff check the specifications, quantity, packaging and other information of the products according to the order requirements to ensure consistency with the order. For orders with special requirements (such as specific length, color, etc.), special screening and checking must be carried out to avoid errors.

After the goods are prepared, the warehouse department transfers the goods to the logistics department. The logistics department arranges corresponding transport vehicles and personnel according to the customer's address and transportation method, and goes through relevant transportation procedures (such as waybill, insurance policy, etc.). During the loading process of goods, it is necessary to strictly operate in accordance with loading and unloading specifications, handle with care to avoid damage to packaging and products.

Before delivery, the logistics department will promptly feedback the delivery information (including transportation method, waybill number, estimated arrival time, etc.) to the customer, facilitating the customer to track the dynamics of the goods. At the same time, the company will also establish a delivery ledger internally to record the delivery status of each order for subsequent query and statistics.

For emergency orders, the company will open a green channel, give priority to arranging goods preparation and delivery, and ensure that the goods are delivered in the shortest possible time. During the delivery process, if the customer has any questions or special requirements, the customer service staff will communicate and coordinate in a timely manner to provide a satisfactory solution.

(4) Samples

To allow customers to better understand the performance and quality of H07V-U single-core solid PVC electrical wire, the company provides sample services.

Customers can apply for samples through the company's official website, telephone, email, etc. When applying, it is necessary to provide detailed contact information, company name, specifications (1.5mm² or 2.5mm²) and color of the required samples. After receiving the sample application, the company will review it within 1-3 working days, and arrange for sample delivery after approval.

The specifications and quality of the samples are consistent with those of mass-produced products, with a length of usually 1-5 meters, which meets the customer's testing needs for the appearance, flexibility, insulation performance, etc. of the wire. The sample packaging adopts small plastic reels or sealed bags, with product name, specifications, batch number and other information marked on them. At the same time, product manuals and test reports will be attached with the samples to facilitate customers to check the detailed parameters and quality certification of the products.

Samples are delivered by express. Domestic customers can usually receive the samples within 3-5 days, and the time for foreign customers varies according to the region. After receiving the samples, if the customer has any questions about the samples or needs further technical support, the company's technical personnel will provide professional answers and services in a timely manner.

(5) After-sales Service

The company has a complete after-sales system to provide customers with comprehensive after-sales services.

Quality assurance: The warranty period of H07V-U single-core solid PVC electrical wire is 10 years. During the warranty period, if the failure is caused by the product's own quality problems (such as insulation layer cracking, conductor breaking, etc.), the company will provide free repair or replacement services.

Technical support: Customers can call the company's after-sales service hotline or consult through online customer service at any time when encountering technical problems during installation and use. The company's technical personnel have rich experience and can give professional answers and guidance within 24 hours, such as wire selection suggestions, installation precautions, fault troubleshooting methods, etc.

Return and exchange service: If the received product has problems such as inconsistent specifications, damaged packaging, quality problems, etc., customers can apply for return or exchange within 7 days after receiving the goods. The company will arrange personnel to verify the situation, and after confirmation, promptly handle the return and exchange procedures for customers and bear the relevant transportation costs.

Customer feedback: The company attaches importance to customers' feedback and has set up special customer feedback channels. Customers can put forward opinions and suggestions on products and services through telephone, email, official website messages, etc. The company will arrange special personnel to handle them and give a reply within 7 working days. The company will actively adopt reasonable suggestions put forward by customers to continuously improve product quality and service level.

In conclusion, H07V-U single-core solid PVC electrical wire has significant advantages in terms of specification parameters, characteristic uses, material styles, production processes, etc. At the same time, it also provides perfect services in general information such as packaging, transportation, delivery, samples and after-sales. It is a reliable and cost-effective Electrical Cable that can meet the needs of various electrical installation scenarios.