4-Port Edge Submersible Pedestal Connector, 350 MCM – 12 AWG
https://nsiindustries.com/product/4-port-edge-submersible-pedestal-connector-350-mcm-12-awg/
Polaris Edge Multi-Tap Direct Burial Connectors form secure connections between multiple conductors and feature a squared-off design and EPDM rubber insulation coating for temporary submersion or direct burial. Installs with a hex key and torque wrench, with no need for cover and taping.