A cable gland (more often known in the U.S. as a cord grip, cable strain relief, cable connector or cable fitting) is a device designed to attach and secure the end of an electrical cable to the equipment. -
https://en.wikipedia.org/wiki/Cable_gland--
Cable glands, also called cord grips, perform a number of essential roles in cable management. Designed to attach and secure the end of an electric cable and the device it’s connected to,
cable glands provide earthing, grounding, insulation, bonding and strain relief. They can also be used to seal cables which pass through bulkheads of gland plates. -
https://www.essentracomponents.com/en-us/news/product-resour...=====
Link boxes are used with cable joints and terminations to provide easy access to shield breaks for test purposes and to limit voltage building up on the sheath. -
