Ideal 0243 Heavy-Duty Terminal Block, Wire Size: 18 - 4 AWG, Spacing: 1/2 IN, Amperage Rating: 85 AMP, Voltage Rating: 600 V, Nylon, Painted, Mounting: Channel Mount (Dovetail Base), Connection: Tubular Screw, 1/4-28 Slotted Headless, Wire Strip Length: 1/2 IN, Package: 40/Box, UL Listed, CSA, RU Certified, NEMA