Siemens Low Voltage Talon Meter Sockets Commercial - Talon Meter Sockets HQ 7 320A Steel are Residential Enclosures Single-Family Metering. Sub Brand Meter Sockets Type HQSW7 Special Features Lever Bypass / .5in Stud Lug Type Application Commercial Standard UL Voltage Rating 600V Amperage Rating 320A Phase 3 Phase Size 20x39x5.2 Cable Entry OH/UG Terminal 7 Terminal Mounting Surface Mount Operating Temperature Average Ambient Enclosure Steel