Flat Duplex Standard Red/Black Marine Boat Cable. Covers requirements for flexible multi-conductor tinned copper, flame retardant boat cable. Meets or exceeds ABYC, UL, Coast Guard requirements. Stranding is Class K 30 gauge tinned copper. Standards are UL 1426, and UL Listed BC-5W2. Offers a unique flame retardant polyvinyl chloride compound (VW-1) and is moisture, abrasion, acid, diesel fuel and oil resistant. Extremely flexible and easy to work with! Sold by the 100' spool.