Eaton IGL2630R isolated ground locking receptacle (Cooper is a division of Eaton). Industrial Grade, NEMA L26-30R, 4-pole, 5-wire, Isolated Ground, rated 30A 240/415V 3 phase Y. Isolated ground devices have a grounding terminal that is electronically isolated from the strap to eliminate electrical interference (noise) in grounding networks that can cause problems in modern electronics. Each is individually packaged; packaging may differ from photo. Features include:
High-strength, glass reinforced nylon body for durability and long life
One piece, double wipe contacts for better conductivity and long term reliability
Back wire terminations for fast, reliable wiring
Grounding contact is isolated from system grounding
