In terms of types,
marine cable glands can be divided into two categories: (Civil) marine wires and cables and (military) marine wires and cables.
In terms of purpose,
marine cable glands can be divided into three categories: Marine / marine power cables, marine / marine control cables and marine / marine communication cables. Its functions are:
Ship / ship cable glands: used for power transmission of various ships in river and sea and offshore or offshore buildings.
Ship / ship cable glands: used for control signal transmission of various ships in river and sea and offshore or offshore buildings.
Ship / ship communication cable: used for signal transmission and control systems in various communication, electronic computers and information processing equipment.