Attributes . Insulation-Tap Connector, #4 AWG Conductor Size, 500 MCM Conductor Size, Insulated, Plastisol Insulation Material, Copper/Aluminum Conductor Material, Black Insulation Color, 2 Conductors, -45 °C Operating Temperature, +90 °C Operating Temperature, 2.81 in Overall Length, 600 V, 0.53 lb/EA . Names