AMP Y2-25 Fire On Wedge Connector 336 to 4/0 Series 500KV AlumTap 1-602004-5 290Y. Wedge connector (sometimes called a fire-on connector) Power tap wedges Material Copper, Aluminum Item Length About 5” Type Wedge Connector Termination Type Press-Fit Number of Ports 2 Connector Style Push-In (Press Fit) This Ampact Incorporated aluminum tap wedge connector is a reliable and durable choice for your wire and cable connection needs. With its compression sleeve style and in-line mounting type, it is compatible with a variety of applications. The connector has two ports and is called a wedge fire-on connector. The connectors are made of high-quality materials and are designed to withstand harsh environments. They are ideal for use in electrical equipment and supplies, as well as in business and industrial settings. With 3/0 to 4/0 size, these Amp Inc Connectors are a great addition to your commercial electrical Needs.