The econ connect TB40WS is a built-in white socket designed for use with 4 mm safety jack plugs. It is a durable and reliable connector ideal for laboratory and testing environments that require secure and safe electrical connections. This socket is sold in bulk and provides a high-quality connection solution for professional settings. https://elecena.pl/product/28264509/econ-connect-tb40ws-socket-built-in-white-1pc-bulk-packaging 2025-04-07 https://elecena.pl/product/28264509/econ-connect-tb40ws-socket-built-in-white-1pc-bulk-packaging 2026-05-07