Tap Connector Insulation-Piercing Connector Type BTC Color Black Min Wire Combination Run 500 - 4/0 Min Wire Size 500 kcmil Max Wire Combination Tap 350 - 1/0 Max Wire Size 1/0 AWG Max Voltage 600 Description/Special Features Requires Only Box/Socket Wrench and Eliminates Split Bolts and Tape Wire Type Aluminum and Copper Length 3.9 In. Height 4.5 In. Standards UL CSA