Description:

Introducing the Rockville MFG20B 4 AWG Tinned OFC Wire – the ultimate choice for marine and car audio applications. As a trusted American brand, we deliver top-quality products validated by our expert audio engineers in the USA. This wire features a true 4 AWG gauge, 100% tinned oxygen-free copper (OFC) construction, and 1862 strands of 0.12mm tinned OFC wire, ensuring superior performance beyond your expectations. Encased in heavy-duty marine-grade PVC, it’s waterproof, moisture-proof, and resistant to heat, cold, saltwater, oil, gas, and fumes—perfect for boats, cars, or solar setups.

• True 4 AWG Gauge: Delivers optimal thickness for high-power applications, minimizing voltage drop and maximizing current flow.
  
• Pre-installed Ring Terminal with Washer: Ready-to-use for quick, reliable connections.
  
• Included Heat Shrinks & Ferrules: Ensures secure, professional-grade terminations.
  
• Black Mesh Split Loom: Keeps your installation organized and protected.
  
• Rustproof and Oxidation-Resistant: Tinned OFC construction guarantees long-lasting durability in harsh conditions.
  
• Max Load Capacity: Handles up to 150A at 20 feet for demanding systems.
  

Features:

• Rockville MFG20B 4 AWG Tinned OFC 20-Feet Marine or Car Power/Ground Wire
  
• Pre-installed with black heat shrink and ring terminal (includes washer)
  
• Includes 4 black heat shrinks and 4 black ferrules
  
• Includes 4 grommets
  
• Includes 8 zip ties
  
• Entire cable wrapped in black mesh split loom
  
• 100% tinned oxygen-free copper (OFC), rustproof
  
• True 4 AWG construction
  
• Tinned for rustproofing, ideal for marine or car audio (no oxidation over time)
  
• Flexible, heavy-duty marine-grade PVC for easy installation in tight spaces
  
• Saltwater-proof and moisture-proof PVC jacket
  
• 1862 strands of 0.12mm tinned OFC wire
  
• Outer Diameter: 10.0mm
  
• High resistance to heat, cold, saltwater, oil, gas, and fumes
  
• Suitable for solar panel installations
  
• Max Load: 150A at 20 feet