| Customization: | Available |
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| Certification: | ISO9001, CCC, UL, SAE J560 |
| Conductor Material: | Copper |
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| Product Name | High Elasticity Curly Coiled Cable 7Pin Flat Plug Trailer Spiral Cable for Dual RV Truck Automotive |
| Place of Origin | China |
| Shanghai | |
| Sample | Provided |
| Pin | 7 Pin |
| Rated Voltage | 12V |
| Rated Current | 30A |
| Wire Gauge | 1.0mm2 |
| Voltage | 3000V |
| Jacket | TPE |
| Conductor | Copper |
| Insulated | PVC |
| Temperature Range | -30°C~+80°C |
| Protection Level | IP54 |
| Expansion Ratio | 1:2~1:3 |
| Lead Time | 1-2Weeks |
| Package | Carton |
| Color | Black/Customized |
| Length | Customized |
| Certification | SAE J560, UL |
| MOQ | 300PCS |
1. Purchase suggestions
1. Confirm the interface type: must be 7-Pin Flat Plug (American standard), European standard requires 13-pin model.
2. Length selection:
Contracted length: common 0.5m~1m (1.5m~3m after extension).
3. Protection level: IP54 or higher (such as IP67) is recommended for outdoor use.
4. Cable quality: copper core + double insulation (anti-oxidation/wear-resistant) is preferred.
2. Precautions for safe use
Overload is prohibited: Under 12V system, the total current is ≤30A (refer to the vehicle circuit design).
Avoid excessive stretching: Exceeding the nominal stretch length may cause spiral deformation.
Regular inspection:
- Check whether the plug is oxidized or loose.
- Observe whether the outer skin is damaged (especially after off-road).
Correct wiring:
| Pin | Function |
| 1 | Left turn/brake light |
| 2 | Reversing light (optional) |
| 3 | Ground (GND) |
| 4 | Right turn/brake light |
| 5 | Tail light (Running Lights) |
| 6 | 12V power supply (battery charging) |
| 7 | Brake controller signal |
3. FAQ
Q1: Is the spiral cable more durable than ordinary trailer cable?
Yes, the spiral structure reduces bending damage and has a longer life, especially suitable for frequent plugging and unplugging scenarios.
Q2: Can it be used for European standard trailers?
No, the European standard is a 13-pin interface, which requires a special converter.
Q3: Will the conductivity be reduced after stretching?
No, the conductor cross-sectional area is fixed, and the spiral design only affects the mechanical properties.
Q4: How to repair a broken spiral cable?
It is recommended to replace the entire cable, because self-repair may cause poor contact or short circuit risks.
4. Summary
The 7-pin flat plug spiral trailer cable is an ideal solution for trailer/RV electrical connections, combining anti-entanglement, weather resistance and convenience. It is suitable for scenes with frequent movement, but attention should be paid to correct wiring and load limit.
Shanghai Fengy Cable Technology Co., Ltd. is an advanced wire and cable manufacturer that integrates R&D, production, sales, and service. The company is located in Shanghai, China, covers an area of 5000 square meters and has more than 150 employees.
Our main products include flexible cables, spiral cables, drag chain cables, power cords, extension cords, wire harnesses, audio cables, video cables, waterproof cables, data cables, medical cables, ruler cables, and various customized and special cables. In addition, we provide design and development services for wires and connectors, aiming to meet the diverse needs of our clients.
Our company has a strong technical research and development team, composed of a number of senior engineers with deep professional theoretical knowledge and rich practical experience. We continue to innovate and develop a series of high-performance, cost-effective cables. We have introduced first-class production technology and process at home and abroad, and have multiple automatic production lines, which can achieve large-scale production and standardized operation process. Our company has excellent quality management, outstanding product design and mold development manufacturing capabilities.
Our company has passed the lS0 9001 quality management system certification, and our products have UL, 3C, CE, TUV, SAA, SGS and other international authoritative certifications. With excellent quality and competitive price, our products sell well in the United States, Europe, the Middle East, South America, Southeast Asia and other more than 50 countries and regions.
Shanghai Fengy Cable Technology Co., Ltd. always adheres to the business philosophy of"customer first, quality foremost," We continually enhance our company's strengths to provide better products and prices to our clients, fostering mutual growth, We look forward to collaborating with you to achieve a brilliant future together.
Spiral cable and cable harness are packed in carton, then in wooden pallet.
PVC cable and PUR cables are packed in wooden drum and in wooden box.
We will pack the cable in good condition according to the size.
Q 1: I didn't find my needed model in this page.
Answer: Dear Friends, catalog will emailed to you asap when you contact with us. Also, we supply customization service. So,contact us !
Q 2: What's your Minimum Order Quantity?
Answer: Normally, 300m, but we also accept 100m order.
Q 3: When can I get the price and what's the validity?
Answer: usually within one day.Validity is 30 days
Q 4: What's your payment terms?
Answer: By T/T 30% in advance ; Balance 70% before shipment.
Q 5: What's your delivery time?
Answer: It depends on whether we just have the stock for your type. Or, it takes about 10 - 30 days for normal orders.
Q 6: What's your package method ?
Answer: Usually, it's cartons, and for big cable, we use wooden drum.
Any other questions please contact with us freely:)
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