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With the booming newenergy sector, demand for high-performance EV cables is surging. As a key link between Electricvehicle and charging infrastructure, EV cable quality directly impacts EV charge safety and efficiency. Core material selection is critical—this article, with data support, breaks down key materials for energysolutions professionals.
Copper Conductor: Efficient Energy Transmission Core
The copper conductor is the heart of any EV cable, transmitting energy to Electricvehicle batteries with minimal loss. Premium EV cables use 99.95%-99.99% high-purity oxygen-free copper (OFC), with 100% IACS conductivity and 1.710 µΩ·cm resistivity (20°C). It handles up to 250A DC, cutting I²R losses by 15% vs. lower-purity copper. OMG selects OFC with strict impurity control (≤0.01%) for consistent performance, ideal for EV cable and wiringharness designs.
Wrapping Tape: Insulation & Stability
Wrapping tape (polyester/ceramic silicone) insulates conductors, resists EMI, and prEV ents friction. Certified to UL 94 V-0, ceramic silicone tape endures 1200°C flame for 30 minutes. Applied with 5-8N uniform tension, it boosts durability—an attention to detail OMG incorporates in its EV cable production, critical for harsh EV charge environments.
Sheath: Harsh Environment Protection
The outer sheath (TPU/TPE/modified PVC) shields internal components. TPU withstands -50°C to 105°C, 2000 hours of hydrolysis, and 50,000+ wear tests, complying with IEC 60245-4 (≥20 kV/mm dielectric strength). OMG prioritizes RoHS/REACH-compliant formulations, balancing durability and flexibility for residential/commercial energysolutions.
Conclusion
Material quality defines EV cable performance. High-purity OFC, flame-retardant tape, and durable sheath ensure safe, reliable EV charge. For energysolutions professionals, understanding these materials is key. Brands like OMG, with premium material focus, deliver longer-lasting, safer EV cables and wiringharnesses to advance Electricvehicle adoption.
Contact us to find out more about electric vehicle cable specifications and technical information:
Both cables are UL 2263 certified and compatible with 120V/240V systems. They feature oxygen-free copper conductors and weather-resistant jackets, offering high-temperature resistance, anti-aging, and anti-corrosion properties. Clear data for easy selection.
I. Key Specifications Comparison
|
Feature |
||
|
Conductor Size |
12 AWG (thicker) |
14 AWG |
|
Rated Current |
24 A |
16 A |
|
Rated Voltage |
240 V |
120V / 240V |
|
Max Power |
5.76 kW |
3.84 kW |
|
Max Cable Length |
≤50 ft (≈15 m) |
≤30 ft (≈9 m) |
|
Voltage System |
240V |
120V / 240V |
|
UL Standard |
UL 2263 |
UL 2263 |
|
Conductor Material |
Oxygen-free copper |
Oxygen-free copper |
|
Jacket Properties |
Weather-resistant, high-temp resistant, anti-aging, anti-corrosion |
Weather-resistant, high-temp resistant, anti-aging, anti-corrosion |
II. Advantages & Application Scenarios
|
Aspect |
12AWG (24A) – High Performance |
14AWG (16A) – Lightweight & Portable |
|
Key Benefits |
Lower resistance, minimal voltage drop, efficient over longer distances |
Lightweight design, high portability, cost-effective |
|
Recommended Use |
High-power fast charging, medium/large EVs, outdoor charging equipment, premium OEM models |
Home charging, economy EVs, short trips & emergency use, daily portable needs |
|
Typical Power Output |
5.76 kW @ 240V |
3.84 kW @ 240V or 1.92 kW @ 120V |
|
Selection Priority |
Fast charging + longer cable run |
Home use + portability + budget control |
III. Selection Guide (One-Sentence Summary)
✅ For fast charging & longer distances → Choose UL 3×12AWG (24A)
✅ For home use, portability & cost control → Choose UL 3×14AWG (16A)
IV. Value & Compliance
UL Certification – Meets North American access standards, enhances credibility, supports aftermarket expansion
Sustainable & Green – Eco-friendly materials + precision manufacturing, align with green energy trends
Wide Applicability – Suitable for portable charging, home charging, outdoor temporary charging, and more
High-voltage cables inside large commercial vehicles such as electric buses and heavy-duty trucks are the core of high-voltage power transmission, directly affecting driving safety, system efficiency, and operational costs. Selection should focus on three key aspects: international standards, specification compatibility, and quality certification. Below, we analyze the key selection factors with industry data and objective information, along with references to high-quality products.
I. ISO 19642: The Core International Standard for Commercial Vehicle High-Voltage Cables
ISO 19642 is the core international standard for high-voltage cables in road vehicles. It is compatible with the high-voltage systems of new energy commercial vehicles (600V AC/900V DC, 1000V AC/1500V DC), covering all performance requirements for conductors, insulation, and flame retardancy, and meeting the access requirements for commercial vehicles in the international market. Core indicators: Operating temperature ranges from -40℃ to +150℃, flame retardant grade achieves self-extinguishing within 30 seconds, and conductors are made of multi-strand stranded oxygen-free copper to ensure low loss and high flexibility.
II. Data-Driven Compatibility of Core Specifications (150-240mm²)
Electric commercial vehicles are mainly compatible with cables with cross-sections of 150, 185, 200, and 240mm², corresponding to motor power of 200~450kW. Key data is as follows:
|
Conductor Cross-Section (mm²) |
Rated Current-Carrying Capacity (A/150℃) |
Compatible Motor Power (kW) |
Maximum DC Resistance at 20℃ (Ω/km) |
|
150 |
380~420 |
200~280 |
≤0.124 |
|
185 |
450~490 |
280~350 |
≤0.101 |
|
200 |
480~530 |
320~380 |
≤0.093 |
|
240 |
550~610 |
380~450 |
≤0.077 |
Note: The larger the cross-section, the stronger the current-carrying capacity, the lower the loss, and the more suitable it is for high-power and long-distance working conditions.
III. Key Quality Criteria: Certification and Reliability
- Authoritative Certification: TUV Energy Storage/Automotive Cable Certification and CE Certification are core thresholds, ensuring electrical safety and international compliance; supplementary certifications such as UL and CQC can enhance global adaptability.
- Quality Control and Reliability: High-quality products must pass annual third-party factory audits and unannounced inspections to control quality throughout the entire process. Leading industry products can achieve zero faults and zero batch complaints for many years. For example, the OMG’ ISO 19642 series has been applied in more than 100,000 vehicles with no quality issues for 16 years.
IV. Selection Recommendations
Selection should first meet the ISO 19642 standard, accurately match the cross-section according to the motor power, and balance quality and cost. Compliant and high-quality products (such as OMG’ electric vehicle high-voltage cables) can reduce procurement costs by 10%~20% and improve operational cost-effectiveness.
Conclusion: The ISO 19642 standard, accurate specification matching, authoritative certification, and reliable quality control are the core of selecting high-voltage cables for commercial vehicles. By combining your own vehicle needs and comparing compliant products, you can achieve the optimal balance between safety and cost.
Every reliable electric vehicle cable contains the secret to core materials that are suited to high voltage and heavy loads, balancing safety, durability and efficient power transmission. Let’s break down the key materials
Sheath material
🔹Cross-linked Polyethylene (XLPE)
🌡️ High heat resistance | 🧪 Chemical resistance
Suitable for EV high-voltage systems, capable of carrying high currents, and commonly used in Battery Management Systems (BMS) and main power transmission lines.
🔹 Polyvinyl Chloride (PVC)
💰 Cost-effective | 🔒 Wear-resistant
Used for insulation and sheathing in low-voltage auxiliary cables, suitable for non-high-voltage areas within the vehicle, balancing cost and basic protection.
💧 Fully waterproof | 🛡️ Resistance to mechanical damage
Designed for damp and harsh environments such as under the vehicle and in the battery compartment, extending cable service life and suitable for outdoor wiring applications.
🔹Thermoplastic Elastomer (TPE)
🧩 High elasticity | 🚫 Resistance to ageing and cracking
Suitable for areas subject to frequent bending, such as door cables and steering system cables, balancing flexibility with durability.
🔹Polytetrafluoroethylene (PTFE/Teflon)
🔥 Extreme temperature resistance | 💧 Moisture and corrosion resistance
Suitable for high-temperature areas near motors and batteries, withstanding temperatures from -200°C to 260°C, and withstanding extreme operating conditions.
Core Conductor Materials
⚡ High Electrical Conductivity | 🔄 Flexible and Easy to Route
Used for high-voltage power transmission and sensor wiring, balancing transmission efficiency with ease of installation.
⚖️ Lightweight | 💸 Cost-Effective
Preferred for electric vehicle battery circuits and high-voltage buses, reducing vehicle weight and extending range.
Specialised Materials for Electric Vehicles
🔸 Shielding Materials (Copper Wire/Aluminium Foil)
🛡️ Resistant to EMI/RFI Interference | 📡 Signal Purity
Ensures stable signals for ADAS systems, on-board radar and charging cables, preventing interference-related faults.
🔸 Thermoplastic Vulcanised Ester (TPV)
🌡️ High thermal stability | 🔧 Strong sealing properties
Used for cable seals and sheathing, suitable for the high-voltage environment of the battery compartment, preventing electrical leakage and water ingress.
Why is this important?
Choosing the right materials for electric vehicle cables = safe high-voltage transmission, improved range, and doubled vehicle lifespan.✨
OMG’ EV cables place greater emphasis on high-quality materials and precision manufacturing.✨
Key Requirements for Electric Truck High-Voltage Cables
OMG High-Voltage Cables: Technologically Backed Advantages
1. Strict Safety Certification & Standard Leadership
2. 10-Year Proven Zero-Defect Performance
3. Heavy-Duty Scenario-Oriented Professional Design
Why High-Voltage Cable Quality Matters for B2B Partners
Recently, the authoritative organization TUV held a certification ceremony for OMG’s liquid-cooled charging cable for electric vehicles, conforming to IEC TS 62893-4-2. This certification signifies international recognition of the product’s technology and safety. OMG’s liquid-cooled charging cable is specifically designed for fast charging scenarios in electric vehicles. Addressing the high temperature and high load issues during high-power charging, it achieves efficient heat dissipation through innovative liquid cooling technology. It not only adapts to the current mainstream fast-charging power requirements but also strictly complies with the safety standards for high-power vehicle charging, fundamentally ensuring the stability and safety of the charging process.
In the field of liquid-cooled charging, the OMG’ team has accumulated nearly 30 years of R&D experience. With keen insight into industry technology trends and continuous innovation, they have overcome numerous technical challenges. Meanwhile, their factory in China has built a complete and mature liquid-cooled cable production line. From raw material selection to production process control and finished product testing, standardized and meticulous management is implemented to ensure that every product meets high-quality requirements. Relying on its strong technical strength and production capacity, OMG’ can provide customized, efficient, and reliable liquid-cooled charging solutions to customers such as automakers, charging gun manufacturers, and charging operators worldwide, helping to accelerate the development of the global electric vehicle fast-charging industry.
Throughout its development, OMG’ has always prioritized product safety, dedicating itself to cable production that meets industry standards. On November 27, 2024, TÜV Rheinland officially awarded OMG’ the 2PFG 2693/03.23 standard certification for its energy storage cables. This authoritative certification acts as a spotlight, illuminating and confirming the superior quality of OMG’s products. It also serves as strong evidence of OMG’s leading technology in the industry, conveying a firm signal to every customer that it is trustworthy and can provide safe and stable services.
The 2PFG 2693/03.23 standard, as a pioneering specification in the field of performance indicators for cables used in global energy storage systems, precisely and comprehensively elaborates on the testing methods and various indicator requirements for connecting cables used in energy storage systems. Starting from the perspective of application scenarios, it formulates corresponding performance indicator requirements for three distinctly different conditions: indoor, permanent outdoor, and temporary outdoor. This clearly defines the standards for the use of cables and related materials, ensuring that the production and application of cables for energy storage systems are regulated.
Faced with the continuous updates and iterations of industry standards, OMG’ has demonstrated a strong ability to keep pace with the times, constantly innovating its R&D and production technologies. However, what remains constant is OMG’s unwavering pursuit of providing customers with high-quality products and meeting market demands. Amidst change, OMG’ stays true to its original aspirations and steadily moves towards higher goals.
Ten years of unwavering dedication, ten years of quiet hard work, ten years of joint struggle—this decade has made this award truly valuable.
Over a decade of trials and tribulations, expanding from Dongguan to the global market, becoming a leader in the new energy electric vehicle charging industry, OMG’ employees have always upheld the spirit of hard work, continuous innovation, and relentless improvement. There is a group of people who have dedicated themselves to OMG’, working tirelessly in their ordinary positions for ten years, dedicating their youth to our shared cause. To recognize these diligent and courageous OMG’ employees, the company has established the “Ten-Year Service Star” award.
TÜV held a certification ceremony for OMG’s liquid-cooled charging cable for electric vehicles, conforming to IEC TS 62893-4-2.
近日，权威机构 TUV 为奥美格电动汽车用液冷充电电缆 IEC TS 62893-4-2 举行颁证仪式，这一认证标志着该产品在技术与安全上获得国际认可。奥美格这款液冷充电电缆，专为电动汽车快充场景量身打造，针对大功率充电时的高温、高负荷问题，通过创新液冷技术实现高效散热，不仅能适配当前主流快充功率需求，更严格符合车辆大功率充电的安全标准，从根本上保障充电过程的稳定性与安全性。 在液冷充电领域，奥美格团队已积累近 30 年研发经验，凭借对行业技术趋势的敏锐洞察与持续创新，攻克多项技术难题。同时，其在中国的工厂已建成完整且成熟的液冷电缆生产线，从原材料甄选到生产工艺管控，再到成品检测，均实现标准化、精细化管理，确保每一款产品都达到高品质要求。依托强大的技术实力与生产能力，奥美格能够为全球范围内的车企、充电枪制造商、充电运营商等客户，提供定制化、高效可靠的液冷充电解决方案，助力全球电动汽车快充产业加速发展。
TÜV Rheinland awards energy storage cable certification to OMG’.
在奥美格的发展征程中，产品安全性始终被置于首要地位，企业全力以赴投入于符合行业标准的电缆生产工作。2024 年 11 月 27 日，TUV 莱茵正式向奥美格授予储能线缆 2PFG 2693/03.23 标准认证证书，这一权威认证宛如一束聚光灯，照亮并印证了奥美格产品卓越的品质，同时也成为奥美格技术走在行业前列的有力明证，向每一位客户传递出其可信赖、能提供安全稳定服务的坚定信号。 2PFG 2693/03.23 标准作为全球储能系统用电缆性能指标领域的先行规范，精准且全面地对储能系统用连接线缆的测试方法及各项指标要求进行了详细阐述。它从应用场景的维度出发，针对储能系统处于室内、永久性户外以及临时户外这三种截然不同的状况，分别制定了与之相适配的性能指标要求，从而对线缆以及相关材料的使用标准予以清晰界定，让储能系统用电缆的生产与应用有章可循。 面对行业标准持续的更新迭代，奥美格展现出了强大的与时俱进能力，研发与生产技术不断推陈出新，然而始终如一的是奥美格那份为客户提供高质量产品、满足市场需求的执着追求，在变化中坚守初心，向着更高目标稳步迈进。
Ten years of partnership, grateful for your continued support – OMG’ awards the “Ten-Year Service Star” prize to employees who have served for ten years.
十年坚守不渝,十年默默耕作,十年共同奋斗,这个十年让奖项彰显价值。 十余年风雨兼程，从东莞拓展到全球，成为新能源电动汽车充电领域行业领先者，奥美格人始终发扬艰苦奋斗的作风创新不辍、精进不止。有一群人，他们扎根奥美格，十年如一日地奋战在平凡的岗位上，把青春韶华献给了我们共同的事业。为表彰这些兢兢业业、勇于奋斗的奥美格人，公司设立了“十年服务之星”。