ProMariner Universal AC Plug Holder The ProMariner Universal AC Plug Holder provides easy to reach and safe AC power cord connections. This plug holder has a universal design for all standard 120V AC plugs and is available in black or white. A plug clamp insert is included, allowing for multiple configurations and uses. Use the plug clamp insert to convert this plug holder to an AC inlet for ProMariner engineered chargers. Features Universal design for standard 120V AC plugs Plug clamp insert in