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Types of Cable
By : Kuldip BarsadiyaEn.no : 130460109004
Guided By:Prof. Ullash Gohil
UNIVERSAL COLLEGE OF ENGINEERING &
TECHNOLOGY
1st SEM Electrical Engineering
SUBJECT: ELEMENTS OF ELECTRICAL ENGINEERING(2110005)
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What is Cable ? Types of Cable ? What is Single Core Cable ? What is 2 Core Cables ? What is 3 Core Cables ? What is 3.5 core Cables ? What is 4 core Cables ? What is Armoured Cables ? What is Unarmoured Cables ?
Contents
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A cable is most often two or
more wires running side by side and bonded, twisted, or braided together to form a single assembly.
What is Cable ?
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1. Single core Cable2. 2 core Cable3. 3 Core Cable4. 3.5 core Cable5. 4 Core Cable6. Armoured Cable7. Unarmoured Cable
Types of Cable
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A single core cable consists of stranded conductors twisted together and housed in a PVC covering. It comes as a 6 mm sq. single core, colour coded green and yellow, and is used for supplementary earth bonding.
Single Core Cables
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In 2 Core cable, one conductor acts as a face
and another acts as natural conductors, both the conductors have equal cross sectional area.
It is used in telephone service and to connect computer devices
2 Core Cable
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In 3 Core cable all the conductors have equal
cross sectional area. 3 strands carry R,Y & B phase respectively
It is used as a Neutral wire.
3 Core Cable
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3conductors are having the same cross
sectional area & are used for 3 different phase. Therefore this conductor is treated as half conductor and hence the name is 3.5 core cable.
It is used to carry the Neutral Current.
3.5 Core Cable
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In case of unbalanced load some neutral
current exists. Therefore in some cases 4 core cable is proffered.
It is used for lighting, load distribution & applications where unbalanced loading conditions occur frequently.
4 Core Cable
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It consists of one or two layers of galvanized
steel wire or steel tap. It is used protection against mechanical injury.
Armoured Cables
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Constructions of unarmoured cables are same
as that armoured cables expect that Unarmoured cables are not provided with armouring.
Unarmoured cables also consists of all parts such as insulation metallic sheath, bedding & serving.
Unarmoured Cables
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Thank You