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Rockford Fosgate® 100 Foot Spool 4 AWG Frosted Black Wire

Model #: RFW4B
Rockford Fosgate
At a Glance
4 AWG positive insulated multi-strand copper cable in bulk spool.
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$99,999.00Save $NaN

Get to know this product.

Full AWG (American Wire Guage) Specification. Frosted outer jacked for maximum flexibility.

  • FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements
  • Pure Crystal-Oxygen Free Copper (PC-OFC)
  • Frosted outer jacket for maximum flexibility
  • 4 AWG (21.1mm²) 1,862 strands
  • 1 Year Warranty


Rockford Fosgate cables conform to the CEA-2015 industry standard. The standard specifies the exact amount of copper needed to indicate a specific wire diameter or gauge size (8 AWG, 4 AWG, etc). Some manufacturers substitute thicker insulation for copper. With Rockford Fosgate, you get exactly what you pay for.


BC-5W2 is a marine specification indicating this cable is suitable for use on boats and non-commercial marine vessels.


Misc. Specs

Manufacturer Warranty1 Year
Cord Length (Ft)100
WarningProposition 65 Warning for California Residents