Device Interiors: Connector Type - Service Outlet; Material - Aluminum; Rating - Volts - 600VAC/250VDC; Rating - Amps - 20; Number of Wires - 11; Number of Poles - 10; Grounding Style - 2, Extra Pole; Cable OD Max - in - 1.125; Application Rating - Indoor; Additional Information - Female Plug Style Connector Mates with Standard SKP Plugs. Automatic Locking. Rating: NEMA 1; Manufacturer Brand - Ever-LokĀ®; Manufacturer Model - SKCU