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Rockford Fosgate RFK4D 4-gauge dual amplifier complete wiring kit — includes power wiring, two 2-channel patch cables, and speaker wire at Crutchfield
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When using 100 amps, what gauge wire should be used for a run of 100 feet from the main panel? - Quora
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Amazon.com: 2 Gauge Premium Extra Flexible Black/RED, Amplifier Power/Ground Amp Wire Feet Cable Roll, All Season (5 FEET RED & 5 FEET Black) : Electronics
What's the difference between a 12-2 wire and a 14-2 wire? Can you use a 14-2 wire in lights? - Quora
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