Choosing the wrong flexible power cable can lead to compliance failures, costly delays, or even safety risks-especially in international projects. Many buyers struggle to distinguish H07RN-F and SOOW cables, as both are heavy-duty rubber flexible cables used in demanding environments. While they may look similar, their standards, certifications, voltage ratings, and target markets are very different. This guide clearly explains the key differences, real-world applications, and selection tips-helping you make the right decision quickly and confidently.
Overview of H07RN-F Cable
H07RN-F is a harmonized heavy-duty rubber flexible cable designed according to European (IEC / EN / HAR) standards. It is widely used across Europe and many international markets where IEC compliance is required.
Key Characteristics:
- Conductor: Fine stranded copper (Class 5)
- Insulation: EPR (Ethylene Propylene Rubber)
- Outer Jacket: Heavy-duty rubber (typically chloroprene or equivalent)
- Voltage Rating: 450/750V
Temperature Range:
- Fixed installation: up to +90°C
- Flexible use: typically -25°C to +60°C
- Certifications: VDE, CE, HAR, RoHS (depending on construction)
Typical Applications:
- Industrial machinery
- Construction sites
- Mining equipment
- Outdoor power supply
- Portable tools and generators
H07RN-F is valued for its excellent flexibility, oil resistance, abrasion resistance, and weather performance, making it ideal for harsh and mobile environments.
Overview of SOOW Cable
SOOW cable is a North American standard portable power cable governed by UL and NEC regulations. It is commonly used in the United States, Canada, and regions following UL/CSA standards.
SOOW Meaning:
- S – Service cord (600V)
- OO – Oil-resistant insulation & jacket
- W – Weather and water resistant
Key Characteristics:
- Conductor: Stranded copper
- Insulation: Oil-resistant rubber compound
- Outer Jacket: Oil- and weather-resistant rubber
- Voltage Rating: 600V
Temperature Range:
- Typically -40°C to +90°C
- Certifications: UL Listed, CSA Approved
Typical Applications:
- Industrial and commercial equipment
- Portable tools
- Temporary power distribution
- Indoor and outdoor North American projects
SOOW is known for strong oil resistance and cold-weather flexibility, especially in UL-regulated markets.

Key Differences Between H07RN-F and SOOW Cable
Standards & Certifications
- H07RN-F: IEC / EN / HAR (European & international projects)
- SOOW: UL / CSA / NEC (North American compliance)
👉 This is the most critical difference and often determines which cable is legally acceptable.
Voltage Rating
- H07RN-F: 450/750V
- SOOW: 600V
Material & Construction
- Both use rubber insulation and jackets, but formulations differ to meet regional standards.
- H07RN-F emphasizes harmonized European performance criteria.
- SOOW prioritizes UL oil-resistant classifications.
Temperature Performance
- H07RN-F: Optimized for flexible industrial use in standard European climates
- SOOW: Excellent low-temperature flexibility (down to -40°C)
Market Acceptance
- H07RN-F: Europe, Middle East, Asia, Africa, global IEC projects
- SOOW: United States, Canada, UL-based systems
Application Comparison
| Application Scenario | H07RN-F | SOOW |
|---|---|---|
| European construction sites | ✅ Ideal | ❌ Not compliant |
| North American industrial equipment | ❌ Not UL | ✅ Ideal |
| Outdoor & mobile power supply | ✅ Yes | ✅ Yes |
| Export projects (IEC required) | ✅ Yes | ❌ Limited |
| Oil-resistant environments | ✅ Yes | ✅ Yes |

How to Choose the Right Cable for Your Project
When selecting between H07RN-F and SOOW, ask these key questions:
Which country or standard does your project follow?
- IEC / EN → Choose H07RN-F
- UL / NEC → Choose SOOW
What voltage and temperature range are required?
Will the cable be used outdoors, in oil-exposed areas, or for continuous movement?
Is certification documentation required for inspection or tender approval?
👉 Correct cable selection ensures compliance, avoids rework, and protects your investment.
Why Choose Our H07RN-F Cable?
At Dongguan Greater Wire & Cable Co., Ltd., we specialize in high-performance H07RN-F cables designed for global industrial applications.
Our Advantages:
✅ 30 years of manufacturing experience
✅ Full international certification system (VDE, CE, HAR, RoHS, etc.)
✅ Stable raw materials & mature manufacturing processes
✅ Strict quality inspection at every production stage
✅ Wide range of sizes available in stock
✅ Fast delivery for urgent projects
✅ Support for small orders and large-scale batch production
Our H07RN-F cables help customers:
- Pass inspections smoothly
- Reduce downtime
- Simplify international compliance
- Improve project efficiency and safety
Whether you are an OEM, distributor, EPC contractor, or end user, we provide technical consultation, fast response, and reliable after-sales support-from inquiry to installation.
Contact Us Today
Dongguan Greater Wire & Cable Co., Ltd.
📞 Tel / WhatsApp / WeChat:
+86 135 1078 4550
+86 136 6257 9592
📧 Email: manager01@greaterwire.com






















