Hubbell HBL2313 Locking Connector, L5 20R, 20 A, 125V AC, 1 Phase, 2 Pole, Screw Terminals, Black White 38NJ13 Connection Type 37° Flare Maximum Connection Type 37° Flare Maximum Dynamic Pressue (PSI) 4500 Shape Straight Connection Style Tube to NPT Connection 1 Style 37° Flare Male Connection 1 Tube OD (Inch) 1 Connection 2 Style Male NPT NPTF Connection 2 Tube OD (Inch) N A Connection 2 Thread Size (Inch) 1 11 1 2 Material Steel 006 in to 0 The HUBBELL 20A Twist Lock Connector (L5 20R) is a locking connector suitable for industrial and commercial electrical applications A clear funnel shaped wire entry assists with wiring installation and an integral dust shield limits ingress of contaminants into the wiring chamber