AC WORKS® [MS50ACR] 50A 4-Prong Locking Plug/Connector Threaded Collar
This collar connects a 4-prong, 50 amp, locking plug to a connector. 4-prong 50 amp cords typically have rings on both the male and female ends. Using this collar, you can connect multiple cords together.
This collar works with the following part numbers: