Polaris, GP-500WC, Parallel Tap Connector With Blue Cover, Dual Rated, Series: GP Series, Aluminum/Copper Conductor, 2 AWG Minimum Run/Tap, 500 kcmil Maximum Run/Tap, 600 V AC, Specifications: 1 Pole, 2 Conductor, 350 to 500 kcmil Wire, 90 deg C, Electro-Tin Plated, 4.89 in L x 3.34 in W x 2.12 in H Dimensions