🔗 Types of Joints in Underground Cables
🔗 Types of Joints in Underground Cables
When a cable is too long or needs repair, joints are used. These must be strong, waterproof, and insulated.
This two-year Electrician trade course is offered under the Craftsman Training Scheme (CTS) by the National Council for Vocational Training (NCVT). It trains students in electrical installation, maintenance, and repair, preparing them for roles such as electrician, wireman, or electrical technician.
The course includes:
The ITI "Electroplater" trade is a two-year vocational training program under the Craftsman Training Scheme (CTS), governed by the National Council for Vocational Training (NCVT). This course equips trainees with skills in electroplating techniques, surface preparation, and the application of protective and decorative coatings on metal surfaces.
The Electrician (Power Distribution) ITI trade is a 2-year NSQF Level 4/5 course focused on installing, operating, maintaining, and repairing electrical power distribution systems. It covers transformers, overhead lines, underground cables, switchgear, and safety procedures, preparing technicians for roles in electricity boards, utilities, and industries.
Key Details
This two-year Electrician trade course is offered under the Craftsman Training Scheme (CTS) by the National Council for Vocational Training (NCVT). It trains students in electrical installation, maintenance, and repair, preparing them for roles such as electrician, wireman, or electrical technician.
The course includes:
This section provides theoretical knowledge of electrical systems, equipment, and safety measures.
This section focuses on skill development through practical work.
Note: This course is based on NCVT Electrician trade structure. Minor changes may occur depending on state or ITI. For the latest version, refer to DGT or your local ITI
When a cable is too long or needs repair, joints are used. These must be strong, waterproof, and insulated.
Underground cables are made up of various layers to ensure safety and durability. The main parts include:
An underground cable is a type of insulated conductor that carries electrical power below the earth's surface. It is well-protected from weather, accidents, and vandalism.
Solder (धातु मिश्रधातु)
Flux (फ्लक्स – साफ और चिपकाने वाला पदार्थ)
Let’s understand both in detail.
sually wires or terminals) by melting a filler metal (solder) between them. It is commonly used in electrical and electronic work to ensure a strong and low-resistance connection.
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When two or more wires need to be connected together, we use joints in electrical conductors. A good joint ensures proper current flow, low resistance, and mechanical strength.
Conducting materials are substances that allow electric current to pass through them easily. These are used in wires, cables, circuits, terminals, and other electrical components.
In electrical work, materials are classified based on how easily they allow electric current to pass through them.
A Conductor is a material that allows electricity to pass through it easily.
Electricity is a form of energy that powers most of our tools, lights, machines, and appliances. As an electrician, it’s important to understand the basic concepts of electricity before handling electrical systems.
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