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Cay Electronics is a marine electronics and electrical systems company providing equipment sales, installations, and repairs to private and commercial vessels of all sizes, power or sail, in New England, the Caribbean, and around the world. Cay Electronics is an authorized dealer for all major brands of marine electronic and electrical equipment. Distributor for Victron, Mastervolt, and C Zone products and OceanVolt electric propulsion systems. A Raymarine Premier dealer. NMEA and ABYC certified technicians.