Feature marine-grade materials of the highest quality. Heavy-duty, marine-grade 6/4 cable and includes standard threaded rings on each end. Sierra Cordsets supply superior performance and perfect for use in harsh marine environments. 50A, 125/250VAC RatedHeavy-duty, flexible, marine-grade 10/3 STW cable104 strand count cable for optimal balance of flexibility and strengthBoat side power indicator LED assures power to the inletWatertight plug assembly for safety and overall durabilityYellow PVC cord jacket with maximum UV inhibitorsNylon plug body for high resistance of carbon trackingIndustry standard sealing rings for a watertight boat side sealHigh quality, corrosion resistant nickel-plated brass contactsETL Listed