Service Entrance Watertight Connector 2″ with 0.900″ Opening
https://nsiindustries.com/product/service-entrance-watertight-connector-2-with-0-900-opening/
The Bridgeport 2″ Zinc Die Cast Service Entrance Watertight Connector with 0.900″ Opening securely creates a watertight seal around service entrance cable. The compression connection secures the entrance cable.