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What is the Role of Cable Shielding Layer?

2015-03-09 10:20:35

What is the role of cable shielding layer?

Cables are usually with shielding layer, so what role it plays for cable on earth?

1, To reduce interference

When the current go through the cable, will produce small magnetic fields affecting the other components inside the cable, shielding layer can be well shield off the magnetic field, so that does not affect the normal operation of the cable.

2, Ground connection

If the cable internal wire cause short circuit damage, current can be poured into the earth, protecting the cable from being damaged because of short circuit.

3, Protection

Cable shielding layer may play a protective role, as insulating sleeve as protecting internal components from external damage.

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