Automotive Cable: Thin Wall, High Temperature, and Wiring Harness Supply
Your definitive guide to flexible, thin-wall cables (FLRY) for vehicle battery, lighting, and control systems.
Automotive cable is a specialised, flexible, low voltage conductor designed for the harsh, high-temperature, and vibration-prone environments of vehicles and transport systems. It is defined by its thin wall insulation (FLRY), fine copper strands for exceptional flexibility, and high thermal rating (up to 105°C), making it essential for wiring harnesses, battery connections, and vehicle control systems in cars, trucks, and trailers. We supply a comprehensive range of ISO 6722 compliant automotive cables and complementary products. Contact us today for immediate stock and competitive trade prices on thin wall auto cable.
What Is Automotive Cable Used For?
Primary Applications: Vehicle Systems and Control
Automotive cable is essential for all electronic and electrical functions within a vehicle, operating typically at 12V or 24V DC.
- Wiring Harnesses: Used in complex looms connecting the engine control unit (ECU), sensors, and interior systems.
- Battery Circuits: Heavy gauge cables for short runs connecting batteries, alternators, and starter motors.
- Lighting and Signalling: Low-current cables for indicators, brake lights, and headlights.
- Trailer and Towing: Wiring looms for trailer lighting and brake systems, requiring weather resistance.
What Is The Difference Between Thin Wall And Standard Cable?
Thin Wall cable (FLRY) uses a reduced insulation thickness, saving up to 30% on weight and volume compared to standard PVC cable.
This reduction is critical in modern vehicles where space is severely constrained and manufacturers seek to reduce overall vehicle weight for fuel efficiency and performance. Despite the reduced thickness, Thin Wall cable achieves a higher temperature rating (105°C) than standard PVC cable (70°C).
| Type | Insulation Wall | Max Temp | Benefit |
|---|---|---|---|
| Thin Wall (FLRY) | Reduced | 105°C | Weight/Space Saving |
| Standard (FLYY/AVSS) | Normal | 70°C | Lower Cost |
Technical Specifications and Core Safety
Automotive cables fall under the Low Voltage (LV) classification but are manufactured to specific international ISO standards.
Voltage and High-Temperature Resistance
- Operating Voltage: Designed for 12V and 24V DC automotive systems. The maximum rated voltage is typically 60V DC.
- Temperature: Thin Wall cables are rated up to 105°C due to the proximity of engines and exhaust systems.
- Conductor: Constructed with extremely fine copper strands to achieve maximum flexibility (Class 5 or Class 6 stranding).
For very heavy-duty applications (e.g., battery welding), we recommend industrial flexible cables like H07RN-F rubber cable.
Sizing and International Standards
Automotive cable sizing is defined by the nominal cross-section (e.g., 0.5mm² to 70mm²), which dictates current-carrying capacity.
All cables must conform to ISO 6722 standards for performance, durability, and test methods. Compliance is crucial for vehicle manufacturing and modifications.
Safety and Fire Performance:
Warning: For wiring inside passenger compartments or enclosed transport areas where enhanced fire safety is critical, we advise using LSZH single core cable to minimise smoke and toxic fume emission.
Your Partner For Automotive Cable Supply
We are a leading distributor of high-quality automotive wire, ensuring full traceability and compliance with ISO standards.
Supply Options and Accessories
We supply automotive cable in a wide range of colors (including Black, Red, Yellow, Green, White, etc.) and sizes for immediate delivery:
- Stock Availability: Full range of Thin Wall (FLRY) cables for immediate order.
- Sizing: Common sizes from 0.5mm² up to 70mm².
- Bulk Purchase: Available in various reel sizes or cut-to-length options to minimise wastage.
- Related Accessories: We supply compatible terminals, lugs, and double insulated cables for battery links and heavy duty circuits.
Need Automotive Cable Stock Now?
For specialist stock, compliant sourcing, and competitive trade pricing on thin wall automotive cable, contact our dedicated team.
Cable Services supply a wide range of products from leading brands, click here to see a sample range of cables that we can offer:
Contact Us
For further details on our products and services please get in touch.
Tel: + 44 (0) 1978 340 450
Email: sales@cableservices.co.uk
Cable Cutting Service
We have invested in an automatic winding and measuring cable cutting machine at our Wrexham facility. This £90,000 investment reflects our commitment to offering an economically valuable and highly efficient service for our valued customers.
We are known for providing tailored solutions that meet the exact needs of our customers. We recognise the growing demand for a flexible service that eradicates waste and delivers cost efficiencies. The efficiency and precision of this new machine support the industry’s commitment to operational sustainability and allow us to pass on cost savings to our customers.
