E1016-1987S is a Cam-Lok J-Series single pole insulated receptacle designed for reliable industrial power connectivity. This receptacle features a watertight elastomeric TPE body that is color-coded for easy phase identification, with recessed contacts protected by an insulating jacket that extends beyond contact ends for safety. The unit is safety insulated for direct mounting to steel panels and supports cable sizes from 1/0 to 4/0 with ratings up to 600V AC/DC and 400A continuous (or 480V AC/DC at 315A continuous). It operates over an ambient temperature range of -40°C to 105°C and carries UL1691, CSA C22.2 No.1691-12, and NEMA 3R certifications. Common applications include motors, generators, indoor and outdoor lighting distribution panels, and stand-by power systems.