Cable Structure
Cable Structure
The image illustrates the structure of a cable, labeling its key components. Here’s a detailed explanation of each part:
1. Outer Insulation Sheath:
– This is the outermost layer of the cable.
– It provides mechanical protection and insulation to prevent external damage and electrical leakage.
– Typically made of PVC, PE, or other insulating materials.
2. Steel Armour:
– A protective layer of steel wires or strips that enhances mechanical strength.
– Helps protect the cable against physical damage, compression, and external impacts.
– Common in armored cables used in underground or industrial applications.
3. Inner Insulation Sheath:
– This layer is located inside the steel armor and surrounds the core conductors.
– Provides additional insulation and protection for the internal components.
– Helps in maintaining the structural integrity of the cable.
4. Conductor Insulation:
– Each individual conductor (wire) within the cable is covered with insulation.
– Insulation prevents electrical short circuits and ensures safe transmission of current.
– Common insulation materials include PVC, XLPE (cross-linked polyethylene), and rubber.
5. Conductor:
– The core of the cable that carries electrical current.
– Made of highly conductive materials such as copper or aluminum.
– Can be solid or stranded to improve flexibility and conductivity.
Purpose of These Components:
This type of cable is typically used for power transmission and distribution in electrical networks. The combination of insulation layers, steel armor, and conductors makes it suitable for heavy-duty applications such as underground cabling, industrial setups, and high-voltage electrical systems.
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Source: LinkedIn
Credits: Mr. Md. Tariqul Islam Rubel
