On foreign video sites, there is such a video with 1.7 million plays, the video, the naughty shark is destroying the submarine cable, accidentally captured by the camera. Then the question arises, what is the role of the submarine cable? Do sharks do damage from time to time?
The types of submarine cables can be briefly divided into four aspects.
1. From the structure, is mainly divided into three-core submarine cables and single-core submarine cables. Low- and medium-voltage lines use mostly three-core submarine cable, and high-voltage lines use mostly single-core submarine cable.