Underwater CablesElectrical connections in between long distance cities and even countries are carried underground or even underwater. The internet fiber connecting the transmission of different cities are actually connected by the deployment of fiber in between these connecting cities. However, there are some cables which have the potential to channelize the transmission in between cities and yet outclass any particular electrical cabling under water.

Fiber cabling has been found to be efficient in high-speed transmission and has a distinct advantage on conventional electrical cables. Light signals are definitely lighter than the electrical signal and they tend to move at a much faster speed relative to electrical signal because light can travel much faster than the speed of charge.

Cable design

Underwater Cables 02The cable design comprises of steel tube technology. The cables are available in different sizes and diameters depending upon the transmission capacity of the cable. These cables have to withstand water pressure, installation in demanding environments due to which they have to have high-quality materials throughout. The fiber inside the underwater cables is placed in a tube with a uniquely different color.

A bundle contains 12 fibers grouping together. The steel tube technology that is being used in the cable design consists of laser welded airtight sealed stainless steel. The tube is filled with hydrogen getter which is a water-repellent filling compound. The armoring is done in two layers of galvanized steel wires. The outer sheath keeps the underwater cable in a good shape.

Types of Underwater Cables

There are two important types of cables.

1)    Submarine Cables

Submarine cables also use stainless steel tube technology. It is basically used for long distance subsea projects having a maximum depth of 3.00 meters.Underwater Cables 03

2)    Sub Aqua Cables

Sub Aqua Cables also uses stainless steel tube technology. It has the potential to be installed in sea/ river/ lake bed, it can also withstand the pressure of 150 bars. Most of its applications are found in harsh situations i-e sewers, water pressurized tunnels, and galleries.

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