Author: steveng The heater runs on normal 115V power. The 20 foot power cord with 3-prong plug easily reaches from the heater’s mounting point to a circuit protected outlet inside cabin. Note that installation of a 115v outlet in the engine compartment of a gasoline powered boat is not recommended, as the outlets do not meet ABYC or Coast Guard standards for ignition protection. Was this answer helpful ? Yes (0) / No (0) What happens during power outages? Can I also put an Xtreme Heater in the cabin for extra protection? Would it be safe?