Leviton 2830-IG orange isolated ground locking receptacle. Industrial Specification Grade, NEMA L23-30R, 4-pole, 5-wire, Isolated Ground, rated 30A 347/600V, 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. Features include:
Uncompromising industrial-grade quality for superior performance and long service life
Terminals clearly identified to speed and simplify wiring
Heavy-duty, impact resistant construction for top performance in the environmental extremes of grueling industrial settings
One-piece .040" thick brass, high-copper content contacts with nickel-plated contact clamp type terminals
Contacts deeply seated in thick walled face
Extra-thick .050" mounting strap
Triple combo mounting and terminal screws (straight slot, Phillips, and Robertson)
