Need for Heat Shrinkable Cable Termination

In medium to high voltage electrical grids, there are many variables to take care of. Insulation is one of them. Even the slightest leniency in insulation can lead to costly downtime and accidents, because of high voltage operations. Heat Shrinkable Cable Termination is one of the methods of insulating cable connection reliability. It is not only essential for electrical insulation but also protects against environmental factors, enhances mechanical strength, and durability of the cable. These are commonly employed in power distribution networks, industrial settings, power generation, renewable power industry in various types and configurations of power cables.

Method of Heat Shrinkable Cable Termination

Heat shrinkable termination is basically a method of connecting two cables and creating an insulating seal to avoid leakages and protect from degrading agents. In this method, a heat shrinkable material is used to seal off the connection between the two cables. Here’s how it works:

Steps for Heat Shrinkable Cable Termination:

  1. Cables are prepared by cleaning and stripping off the insulation layer.
  2. The component that will be heat shrink is placed over the cables. It also includes stress controls and insulation layers.
  3. A heat source such as heat gun or propane torch is used to apply heat on the shrink tubing.
  4. The component secures the sealing around the cable joint. The heating makes the shrink to conform tightly to the shape of the cable and any other parts involved, creating a sealed joint.
  5. The sealing is tested across the various parameters of electrical and mechanical performance and insulation.

Need for Heat Shrinking

There are many reasons why heat shrinking is done for cable termination. These are:

●       Providing resistance against wear and tear, enhancing mechanical properties and insulation.

●       Extending the power cable to new lengths in various industrial electrical grids.

●       Creating a watertight seal and protecting from harsh environmental conditions.

●       Preventing strain on cables.

●       Prevent the entry of contaminants like dust, dirt that can degrade the performance of cable and overheat it.

Final Words

There are many applications of this method of cable joining including indoor or outdoor setups. It is used to connect equipment like switchgear, transformer terminals to other equipment. This method involves a medium level of skills and expertise, as there are chances of accident if wrongly handled.  It is also used to insulate and protect wires and connections in vehicles. If someone wants a heat shrink component, choose a reliable manufacturer for this case. Yamuna Denson is one such manufacturer that provides excellent heat shrink to connect cables.

 

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