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ZJWIRE: Professional American Wire Gauge Manufacturer

Zhejiang Zhongjing Cable Co., Ltd., established in 2000, is located in Zhejiang Province and specializes in the research, production, and sales of wires and cables. The company has grown into a well-known manufacturer by prioritizing quality and innovation. The company's products are widely used in sectors such as construction, energy, telecommunications, and infrastructure.

UL1330 Cable
UL1330 cable (also known as UL 1330 AWM wire) is a high-temperature, 600V appliance wiring material standardized by UL758. It features a thick FEP insulation and is primarily used for internal wiring
UL10692
UL10692 is a single-core PVC-insulated electronic cable designed and manufactured in compliance with UL 758 standard. It features a rated voltage of 1000V and a long-term operating temperature of
UL SJOOW
In industrial and outdoor power applications, many buyers frequently encounter problems such as cables being poorly oil-resistant, not waterproof, prone to cracking in low temperatures or harsh
UL20549 Cable
UL20549 refers to a UL Recognized Component Wire commonly used as high-temperature, oil-resistant internal wiring in industrial equipment, appliances, and control systems. Cables listed under UL
UL11627
UL11627 is a dual-wall, cross-linked polyethylene insulated, stranded copper conductor cable, specifically designed for photovoltaic systems and industrial power connections. Recognized under UL 4703
NM-B Cable
NM-B Cable is a residential building wire designed for dry, indoor applications. It consists of insulated copper conductors and a bare ground wire, all enclosed within a flame-retardant non-metallic
XHHW-2 Cable
XHHW-2 is a power and building wiring cable that conforms to US standards. It features cross-linked polyethylene (XLPE) insulation, high temperature resistance, and excellent water resistance, making
XHHW Cable
XHHW cable is a thermosetting insulated wire widely used in building, industrial, and power distribution systems, renowned for its excellent heat resistance, moisture resistance, and electrical
UL SJ00 Cable
The UL SJ00 Cable is a high-quality, flexible power cable designed for industrial, commercial, and home applications. Built to meet UL standards, it provides safe and reliable power transmission for
UL3266 Cable
UL3266 cable is a UL (Underwriters Laboratories)-certified flexible electrical cable specifically engineered for low-voltage power transmission and signal connectivity in harsh environments. It
UL2854 Cable
UL2854 cable is a UL-certified flexible cable designed for low-voltage (≤30V) signal transmission and power supply in industrial, commercial, and residential applications. It falls under the UL
UL1672 Cable
UL1672 cable is a UL (Underwriters Laboratories)-certified flexible electrical cable designed specifically for wet or damp environments, engineered to withstand exposure to water, moisture, and mild

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Why Choose Us

Extensive Experience

With over two decades of experience, Zhongjing Cable has grown into a trusted and well-known manufacturer by consistently prioritizing quality, innovation, and customer satisfaction.

Technology Certification

The company has obtained ISO 9001 Quality Management System certification and CCC National Compulsory Product Certification, ensuring high-quality standards and product safety.

OEM/ODM Service

We offer professional OEM/ODM services, producing high-quality cable products according to your brand and design requirements. Whether it’s conductor specifications, insulation materials, or color coding, we strictly follow the standards provided by our clients to ensure products perfectly match their brand.

Global Market

Zhejiang Zhongjing Cable Co., Ltd. has successfully expanded its product sales to various international markets, including Italy, Spain, the Philippines, Burundi, Tanzania, and Brazil, as well as regions in the Middle East, Southeast Asia, South America, Africa, and select European countries.

Types of American Wire Gauge

UL2501 Cable

UL2501 cable is a flexible, flame-retardant power and control cable certified by Underwriters Laboratories (UL) for use in industrial, commercial, and residential applications requiring reliable performance under moderate mechanical stress and environmental exposure.

UL1284 Cable

UL1284 cable is a safety standard developed by Underwriters Laboratories (UL) that specifies requirements for flat electrical extension cords and power-supply cords used in residential, commercial, and light industrial settings.

UL3132 Cable

UL3132 cable is a UL-certified high-performance hook-up wire engineered for extreme-temperature, high-flexibility, and chemical-resistant applications.

UL3239 Cable

The UL3239 cable is a high-quality, UL-certified multi-conductor cable designed for internal wiring in electronic devices, control panels, and low-voltage signal applications.

UL10276 Cable

UL10276 cable is a low-voltage, multi-conductor cable certified by Underwriters Laboratories (UL) for internal wiring and external interconnections in electronic equipment.

UL2468 Cable

UL2468 cable is a multi-conductor, flexible control cable certified by Underwriters Laboratories (UL) for use in industrial, commercial, and electronic applications requiring reliable signal and power transmission.

Technical Specifications

Conductor	Stranded tinned copper (Class 6 stranding per IEC 60228) – ultra-fine strands for maximum flexibility and corrosion resistance
Insulation layer	High-temperature silicone rubber (SR) – excellent thermal stability, chemical resistance, and flexibility
Inner layer	Tinned or Bare Copper
Outer layer	Fiberglass braid (for enhanced mechanical strength) or bare silicone (for minimal diameter)
Conductor	Bare or tinned copper; stranded (fine-strand options available
Insulation	Extruded silicone rubber
UL Style / Standard	UL 3132 (AWM family / UL 758)
Voltage Rating	300 V
Temperature Rating	−60°C (flex) to +150°C (continuous) - typical operating range
Insulation Thickness	Typical minimum avg. thickness ≈ 15 mils (per UL style guidance)
Color Options	Red, black, blue, white, green, yellow - custom colors available

Advantages of American Wire Gauge

Accurate Wire Selection

One significant advantage of using the AWG gauge is that it ensures accurate wire selection for your project. It helps you choose the correct wire size based on the current amount that will pass through it.

AWG Gauge Consistency

Another benefit of using the AWG gauge is that it provides consistency in wire size. It ensures the wire size is uniform across all manufacturers and suppliers, which reduces the chances of mislabeling or misidentifying wires.

Easy to Use

The AWG gauge system is straightforward, making it accessible to anyone in the industry. This ease of use is crucial for people who deal with wires regularly because it lowers the possibility of mistakes and increases productivity.

Versatility

The AWG gauge system is highly adaptable and applicable in various situations. From custom wire winding and wire bending to electrical installations, the AWG gauge system is essential in determining the correct wire size.

Cost-Effective

Using the AWG gauge system can be cost-effective in the long run. Ensure the wire can handle the current flowing through it by selecting the appropriate wire size for your project.

Improved Electrical Performance

Better electrical performance is another critical reason to use AWG. To achieve predictable electrical characteristics, wires of a specific gauge must have a consistent cross-sectional area, ensured by the AWG standard.

Common Wire Gauge Sizes and Their Applications

18 AWG: This thin wire is commonly used for low-voltage applications such as doorbells, LED lighting, and thermostats.

16 AWG: It is used in slightly higher-current applications such as small appliances, lighting extension cords, etc.

14 AWG: This is one of the most widely used wire gauges for home wiring. It is commonly used for 15-amp lighting circuits and bedroom and office outlets.

12 AWG: This is a slightly thicker wire used for 20-amp circuits, kitchen appliances, bathroom outlets, and other outdoor applications.

10 AWG:

This thicker, high-power wire is used for 30-amp circuits, clothes dryers, small electric ovens, and window air conditioning units.

6 to 8 AWG:

They are used for high-current applications such as large motors, large HVAC systems, electric vehicle charging stations, and central air conditioning units.

4 AWG and above:

These thick wires are used for high-current circuits. They are typically used in large industrial equipment, residential service panels, sub-panels, high-current welding equipment, and large battery packs.

Production Process

Step 1: Wire drawing

In the first step, our aim is to acquire metal (usually copper or aluminum) wires that fit with AWG (American Wire Gauge). The method is to pull the copper or aluminum rod through a series of synthetic diamond dies, which gradually decrease in size, on the draw bench. And this is processing with a lubricating and cooling system that increased the life of the dies and prevents the wire from overheating.

Step 2: Annealing

Annealing is accomplished by heating the wire to its recrystallization temperature for a period of time. The key here is to avoid oxidation of the wire.

Step 3: Twisting and stranding

In this step, two or more wires of the same gauge are twisted or stranded together using a proprietary formula to determine twist length.

Step 4: Extrusion

The wire, now soft and flexible, is passed through an extruder, where the coating of plastic or other insulating material is applied. Exiting the extruder, the coated wire passes through another cooling system and is coiled on reels.

Step 5: Cabling

The basic component of cable is now prepared. Next we need to assemble the cable according to different utilities. This process is done in a cabling station.

Safety Considerations When Working With American Wire Gauges

Working with electrical wiring can be dangerous. Here are some important safety tips:

Always turn off the power at the main breaker before working on any electrical wiring.

Use a voltage tester to confirm that wires are not live before handling them.

Never exceed the ampacity rating of a wire.

Keep your work area dry and clean to avoid hazards.

Use appropriate personal protective equipment, such as insulated gloves and safety glasses.

If you’re unsure about any aspect of electrical work, consult a licensed electrician.

Customization Process

Reach out via our website, email, or phone to schedule your initial consultation.

Submit Order Details:

Provide quantities, jacket colors, printing, and cable length, and we’ll send you an official quote.

Invoice Payment:

Make payment based on the proforma invoice to kickstart the production.

Production Sample Creation:

Review pictures or request samples to confirm before bulk production starts.

Production Process:

We update you with photos and videos of the completed products, along with shipping cost details.

Shipping and Balance Payment:

Once the balance is received, your bulk order is shipped to your chosen location.

Packaging and Shipping

Shipping Options:	FOB, CFR/CIF, DDP on request - contact us for the best shipping solution and transit estimates to your port.
Packaging:	The neatly packed coils are wound on plastic or wooden reels, protected with moisture-proof film and mounted on export pallets or cardboard reels as required. For high-volume orders we prepare sea-worthy wooden drums and palletized crates.
Lead Time:	Typical stock orders ship within 3–7 working days; customized builds (color, braid, special gauges) generally require 10–20 working days depending on quantity.
Warranty:	1-Year warranty against manufacturing defects (terms outlined in our sales agreement).

Certificate Of Honor

FAQ

Q: What size is american wire gauge AWG?

A: AWG sizes range from 0000 (4/0) for very large wires to 40 for very small wires. Each size has a specific diameter measured in millimeters (mm) and inches. For example, 1 AWG wire has a diameter of about 7.348 mm.

Q: What is AWG?

A: American Wire Gauge (AWG) is the standard system used in the U.S. to measure the diameter of electrical wires. In the AWG system, numbers represent wire sizes. The system might seem counterintuitive at first: the higher the gauge number, the thinner the wire. For example, a 14 AWG wire is thicker than an 18 AWG wire. This pattern continues until reaching 1 AWG.

Q: How does AWG work?

A: The AWG scale is inversely proportional to the wire diameter – the smaller the AWG number, the larger the wire diameter. For example, a wire with a 10 AWG number has a larger diameter than a wire with a 20 AWG number. This inverse relationship may seem counterintuitive, but it is widely accepted and used in the industry.

Q: How do I know what AWG wire to use?

A: To choose the right AWG wire, consider the electrical load and the distance from the power source. You can consult charts that show the ampacity of different wire gauges. This will help you determine the correct size to safely carry the electrical current.

Q: What is the AWG American Wire gauge rating expressed in?

A: The AWG rating is expressed in American Wire Gauge numbers. Each number corresponds to a specific wire diameter and ampacity. This allows users to find the appropriate wire for various applications based on its size and current handling capability.

Q: What is the formula for AWG gauge?

A: The formula for converting wire diameter to AWG is based on a logarithmic scale. Each step in the AWG system represents a change of about 20% in cross-sectional area. To convert diameter to AWG, you would typically use reference tables rather than a simple formula.

Q: How to choose the correct wire size?

A: To pick the right wire size, start by identifying the electrical load requirements and the wiring distance. Use AWG charts to find the appropriate gauge that can safely carry the load without overheating. Also, consider any relevant safety regulations for your specific application.

Q: How to distinguish the conductor type of AWG gauges?

A: The conductor type of AWG gauges is generally divided into two types: solid conductors and stranded conductors. Solid conductors are made of a single metal wire and are suitable for fixed installations that do not require frequent bending. For example, wiring inside walls or ceilings usually uses solid conductors. Stranded conductors, on the other hand, are made of multiple thin metal wires twisted together and are more suitable for occasions that require frequent movement, such as internal connection wires of equipment.

Q: What is the significance of the color coding of AWG gauges?

A: The color coding of AWG gauges has a clear meaning and helps to identify the function of the wires. For example, black wires are usually used for power wires, white wires are used as neutral wires, and green or green-yellow wires are used as ground wires. Understanding these color codes can help you connect the wires correctly during installation and maintenance.

Q: What is the difference between AWG and other wire gauge standards?

A: The main difference between AWG and other wire gauge standards is that they use different size representation methods. For example, Europe usually uses cross-sectional area to represent wire size in square millimeters (mm²). AWG, on the other hand, uses numbers to represent diameter, and the larger the number, the thinner the wire. For example, 20 AWG is thinner than 16 AWG.

As one of the most professional american wire gauge manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy american wire gauge for sale here and get pricelist from our factory. Contact us for customized service.

SPT-3, THW2, UL Cable