Blue Sea Systems Terminal Feed Through Connectors are designed for routing high-current cables through hulls, decks and bulkheads while preventing chafing and providing robust strain relief. Models feature plastic or reinforced thermoplastic insulation with metal contacts (tin-plated copper, brass or stainless steel as used in specific models) and screw terminal studs; mounting faces on larger terminals can be gasketed or bedded to create a watertight installation. All variants are IP66 rated to withstand water from heavy seas and are specified to handle up to 250A and 48V DC. Each unit includes the feed-through stud and related mounting components, and a limited warranty applies on applicable models. WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.