Insulated with dielectric strength plastisol for tough mechanical protection|Molded for precise fit and supplied with removable plugs to close the entry port not being utilized|Wire entry ports on both sides of the connector to allow for access from either side|Eliminates the need for cover and taping|Will not support combustion|Not recommended for fine stranded, flexible wire|Dual rated multi-conductor connector for use with copper and/or aluminum cables|Dual-Sided Wire Entry, Form secure connections between 4 conductors quickly using the double-side entry ports sized for wires between 350 MCM and 6 AWG|Ergonomic Design, Rounded corners and a smooth exterior finish over the abrasion-resistant plastisol insulation make Polaris connectors comfortable to grip|Removable Plugs, Each port and set screw comes with a secure plug to prevent debris from entering the insulated connector|Pre-filled Oxide Inhibitor, All 4 dual-sided entry (DSE) ports come pre-filled with an oxide inhibitor gel to prevent corrosion and provide low-contact resistance|Parallel Rated, This connector is specifically designed and rated for parallel installation, providing a safe and secure way to handle larger projects