NSI Polaris Insulated Multi-Tap Connector, Double Sided Entry, Series: IPLD, Aluminum/Copper Conductor, 4 AWG to 500 kcmil Conductor, 600 V, Abrasion, Chemical, UV, 1 Pole, 9 Conductors, Class B and C Wire Type, 5/16 in Hex, -45 to 90 deg C, Plastisol, Black, 10.83 in L x 2.83 in W x 2.91 in H