Brand: Edison Item: Terminal block Mounting: Panel Number of Poles: 2 Amperage Rating: 380A Terminal Block Type: Open UL Rating: UL 1059 recognized SCCR Rating: 10kA SCCR Line Side Openings: 1 opening accepts 500 MCM to 6 AWG Load Side Openings: 3/8-16 X 1 stud Edison open terminal block, 380A, 2-pole, line side: 1 opening accepts 500 MCM to 6 AWG, load side: 3/8-16 X 1 stud, panel mount, UL 1059 recognized.