A look at the Significance of Armoured Cables in Electrical System

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A look at the Significance of Armoured Cables in
Electrical System
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You must have come across armoured cables several
times in the context of wiring. However, you
might not be very familiar with the concept
associated with it. At the same time, it is
also crucial for you to know its significance in
the electrical wiring systems. Therefore, in
this article, you will find more information on
these cables and the purposes they serve in
different applications.
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Accordingly, you can make your move in the best
way. Some of the popular types includes- 1. Al
PVC Strip Armoured Cables 2. Cu PVC Strip
Armoured Cables 3. Cu XLPE Wire Armoured Cable
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What are these cables? Armoured cable can be
referred to as a power cable, which is usually
made by assembling two or more electrical
conductors. These electrical conductors hold each
other tightly in an overall sheath. It comes
with high protective covering so that it can be
easily used for the purpose of transmitting
electrical power from one point to another. In a
more precise term, it can be said that the
armoured cables are electrical cables that do not
come with galvanized or stainless steel wrapped
over the conductors for carrying out insulation.
They are often coated with plastic sheaths in
the outward area for supplying the main
distribution and buried feeders.
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The Significance Of These Cables These are
highly significant because of the immense amount
of protection they offer. Consequently, it makes
the process of electric transmission less risky.
At the same time, it often acts as one of the
major circuit protective conductors providing
adequate amount of earthing to the equipment that
is supplied by the cable.
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Things To Know On Its Earthing In this context,
it is crucial to note that the earthing
capability of the wire has been in debate. A
single cable does not come with a ground wire and
the sheath is used only for the purpose of
protection. Hence, it is always recommended to
earth either one or both the ends of the cable.
If both the ends are grounded, circular current
pattern can flow between the armoured cables.
Grounding only one end means allowing bleeding
of voltage. The voltage might be induced in the
sheath without creating any form of circular
current.
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At the same time, many are not aware that single
cored cable does not contain any magnetic field
from other two phases. When there are three
phases in a cable, the magnetic field is zero.
In a single core, there is no need to go for
any cancelling effect, and the voltage is induced
in the armour by the magnetic field.
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