The Polaris CP3/0 Replacement Entry Port plug fits into the entry ports of any Polaris connector sized for 3/0 AWG wire. Replace missing or damaged plugs to keep debris, moisture, corrosion and other threats from interfering with the connection. Polaris connectors provide the simplest solution for forming a secure connection between multiple conductors in applications including cable trays, panel boards, ducts, raceways or troughs. Each pre-insulated connector comes pre-loaded with an oxide inhibitor and installs faster than traditional uninsulated connector options using just a hex key and torque wrench. Their aluminum alloy bodies are wrapped in high-dielectric strength plastisol insulation, which is ergonomically molded to offer a comfortable grip, in addition to being resistant to abrasion, chemicals and UV rays. The all-in-one design saves time and supplies on each job by eliminating the need for cover and taping; simply brush the conductors clean, strip back their insulation, insert one conductor into each port and secure the covered pressure screws. Polaris pre-insulated connectors are available in a range of port numbers and configurations to fit the needs of any job, including UL-listed parallel configurations. Polaris: the original pre-insulated connector and still the brand most asked for by name.