RS PRO 20A NEMA L6 Twist Lock US Mains Plugs, 250V A reliable and secure NEMA twist lock USA mains plug suitable for use with 250V AC mains electricity in North America and other countries that use the standards set by the US National Electrical Manufacturers Association. ;The twist-lock design enables a more secure and reliable connection protecting against disconnection from vibration and incidental impact. ;Constructed from a robust Nylon body with a tough Polycarbonate retainer and Copper alloy contacts for excellent conductivity. ;Designed for cable mounting using the Brass screw terminals the NEMA twist-lock plug has a voltage rating of 250V and a power rating of 20A. ;NEMA twist-lock plug are suitable for use in industrial and commercial settings and are suited for use in environments where vibration and shock are a factor. Features and Benefits 250V USA mains plug;NEMA L6;Twist-lock design;Cable mount;Nylon body;Brass screw terminals Standards and Approvals: UL-498, NEMA WD 6:2002, CSA C22.2 No.42