E1018-1638 is a brown female insulated receptacle from the Cam-Lok Standard Series E1018, designed for single pole connectivity in industrial power applications. This receptacle features a 3/4" (19.1mm) threaded stud with a 1/2"-13 stud size and maximum torque rating of 40 ft. lbs. The unit is rated for 600V AC/DC and up to 400A continuous current with NEMA 3R environmental protection. Key features include recessed contacts protected by an insulating jacket that extends beyond contact ends for safety, and the receptacle is safety insulated for direct mounting to steel panels. The TPE insulator material provides an operating ambient temperature range of -40°C to 105°C, making it suitable for motors, generators, lighting distribution panels, and stand-by power applications.