NSI Polaris Insulated Multi-Tap Connector, Double Sided Entry, Series: IPLD, Aluminum/Copper Conductor, 750 to 250 kcmil Conductor, 600 V, Abrasion, Chemical, UV, 1 Pole, 3 Conductors, Class B and C Wire Type, 9/8 in Hex, -45 to 90 deg C, Plastisol, Black, 4.95 in L x 3.41 in W x 3.42 in H