Hubbell HBL61CM59 Marine Shore Power Adapter Twist Lock Plug Yellow Works | eBay
Hubbell Wiring Systems HBL21CM29 Molded Straight Adapter, 15A/20A, 125V, 2P, 3W Straight Blade Female end with 20A, 125V, 2P, 3W Twist-Lock Male end, White : Amazon.ca: Tools & Home Improvement
6-15P Hubbell Power Cord Connector - Screw on - (HBL5666C)