制造商：Hubbell Wiring Device-Kellems
功能描述：Twist Lock Receptacle 4 pole, 5 wire, Isolated Grnd, 20A, 120/208VAC, L21-20R,
制造商：Hubbell Premise Wiring
功能描述：Electrical Outlet Connector Voltage Rati
制造商：Hubbell Wiring Device-Kellems
功能描述：CONNECTOR, POWER ENTRY, RECEPTACLE, 20A; Connector Type
制造商：Hubbell Wiring Device-Kellems
功能描述：Conn Power RCP 4Power/1Ground POS RA Panel Mount 5 Terminal 1 Port