The GCP1 is an AC Port Plug with an integrated extension cord (16-inches) that offers optimal flexibility and ease of installation. It can mount to the exterior of any boat, vehicle or equipment to make the charging port accessible in a more convenient location. Quickly plug-n-play with any extension cord and requires zero cable modifications or hand wiring. Rated for use at 13-amps, 125-volts, and UL certified. Fits into any standard 2-inch hole size.View GCP1 AC Port Plug