Mighty Cord Generator 30 Amp 4-prong Y-adapter to 15-20 Amp dual outlets. Easy to use twist lock 30 Amp 4-prong connector provides for secure connection. All Mighty Cords are constructed with heavy duty cord for safe, outdoor use. Dual 15-20 Amp female outlets provides for multiple uses for commercial, industrial and recreational uses. 3 ft. in length.