HBL® extra heavy-duty max industrial series - Hubbell's commitment to quality continually reinforces a philosophy of unrivaled performance. No Hubbell device exemplifies this philosophy more than the HBL5262. While all Hubbell receptacles are designed and manufactured to withstand even the harshest environments, none match the total performance of the HBL5262. Whether in a factory, office building or school, the Hubbell HBL5262 is the receptacle of choice when people are depending on the safety and reliability of a receptacle. The safest, most reliable design for a low-resistance flow of fault currents. Oversized "bell" shaped ground contacts, along with nickel-plated steel retaining shields, help minimize damage to the grounding system during abrupt pullout. Back wired ground terminal allows faster, easier installation One-piece brass integral ground strap Finder groove face Deep body design with circuit ID face