This MARINCO product family includes locking shore power connectors and plugs designed for marine shore power use. Constructed with ribbed nylon housings for secure gripping and corrosion-resistant contacts and terminals, the twist-lock format ensures reliable, secure connections in boating and marine environments. The line covers multiple amperage and voltage configurations and both connector (female) and plug (male) options, including 2-pole/3-wire and 3-pole/4-wire designs; some variants include weather-resistant covers and threaded sealing rings for added protection. Manufacturer-specified warranty information is provided with the products; see product documentation for details. 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.