Insulated with dielectric strength plastisol for tough mechanical protection|Molded for precise fit and supplied with removable access plugs over the hex screws|Will not support combustion|Not recommended for fine stranded, flexible wire|Suitable for connecting two wires in-line|In-Line Wire Entry, Form secure connections between 2 conductors quickly using the in-line entry ports sized for wires between 1/0 and 14 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, Both in-line ports come pre-filled with an oxide inhibitor gel to prevent corrosion and provide low-contact resistance|Professional Performance, Save time and labor when splicing or reducing in-line wires made from copper or aluminum, in a wide range of applications