Terminal Blocks - Headers, Plugs and Sockets definition: A terminal block is an accessory product used to achieve electrical connections, and is industrially divided into the category of connectors... Terminal Blocks - Headers, Plugs and Sockets Product Listing: 30306,30303,30304.Connectors, Interconnects type:Circular Connectors(4156894),Barrel - Audio Connectors(708215),Rectangular Connectors - Headers, Male Pins(575678),Card Edge Connectors - Edgeboard Connectors(554558),D-Sub Connectors(512402) .Terminal Blocks - Headers, Plugs and Sockets has 3 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Anli.