The link to NOCO GCP1 AC Port Plug With Extension Cord has been copied
The GCP1 is an AC Port Plug with an integrated 16" extension cord that offers optimal flexibility and ease of installation. It can mount to the exterior of any vehicle to make the charging port accessible in a more convenient location. Quickly plug-n-play with any extension cord. Requires zero cord modifications or hand wiring. Its sleek, ultra low-profile design works seamlessly on any application and includes a snap-fit cap for a watertight seal. Perfect for engine block heaters, battery chargers, home improvement, and much more. Fits into any standard 2" hole size. Rated for use at 13 amperes, 125 volts. UL certified.