Electrical Installation and Maintenance Works

course outline

Topics

• Working Drawing

  Covers symbols in electrical engineering, working diagrams, and distribution systems. Emphasizes the correct use of electrical symbols and interpretation of diagrams.

• Surface wiring

  Details wiring clips, cable sizes, and regulations for surface wiring. Covers installation of lamps, socket outlets, and signaling systems.

• Conduit wiring

  Explains conduit types, advantages/disadvantages, and installation techniques. Covers cutting, threading, and testing of conduit systems.

• Installation of Protective Devices

  Focuses on protective devices like fuses and circuit breakers, their working principles, and applications. Includes earthing and ELCB installations.

• Inspection and Testing of Domestic Installation

  Covers safety regulations, mechanical and electrical checks, and various tests for domestic installations. Includes polarity, earthing, and insulation resistance tests.

• Illumination

  Defines illumination terms and laws, covering concepts like cosine law, inverse square law, and brightness. Includes calculations and identification of different lamp types.

• Installation of MICC Cable

  Details Mineral Insulated Copper Covered (MICC) cables, tools, and installation procedures. Covers termination, testing, and relevant regulations.

• Types of Industrial Installation

  Focuses on interpreting electrical working drawings for industrial settings and performing simple surface and conduit wiring with safety measures.

• Installation of Ducts and Trunking

  Explains duct and trunking systems, their advantages/disadvantages, and types. Covers selection, tools, and fabrication of accessories.

• AC and DC Machines

  Covers the operation, construction, and differences between AC and DC motors and generators. Includes types and applications of polyphase machines.

• Installation

  Details machine enclosures, foundations, installation procedures, and connections for AC and DC machines. Covers selection and operation of starters.

• Maintenance of Electrical Equipment and Machine

  Discusses types of maintenance, procedures, lubricants, and tools used. Covers functional parts of equipment and manufacturer-specified maintenance.

• Repairs to Electrical Machines, Equipment and Installation

  Focuses on identifying causes of breakdown, troubleshooting techniques, and effective repairs using circuit diagrams and appropriate tools. Includes performance testing.

• Joints and Termination of Cables

  Covers tools, materials, and methods for making simple joints and terminations on cables. Includes identification of conductors and insulating materials.

• Soldering and Brazing

  Details the operation of blow lamps, use of pots and ladles for soldering, heat transfer, and heat sinks. Includes practical exercises on joints.

• Armoured Cables

  Explains types of armouring materials, reasons for armouring, and constructional features. Covers joints and terminations of armoured cables.

• Underground Cable Installation

  Covers types of underground cables, trench preparation, cable laying, and jointing materials. Includes IEE regulations and testing instruments.

• Installation of Overhead Wires

  Details tools, equipment, and procedures for overhead wire installation. Covers erection of poles, types of stray wires, and making joints and terminations.

• Data and Communication Cabling Methods

  Introduces different types of data communication cables like computer cables, fiber optics, and coaxial cables, and their applications.

• Cells

  Explains the types, working principles, and construction of primary and secondary cells, including the construction of a simple battery.

• Statutory Regulations

  Applies prevailing statutory regulations and safety precautions in an electrical workshop, concerning winding processes and handling of materials.

• Tools and Equipment

  Identifies and describes the use of various tools and equipment specifically for winding jobs, emphasizing correct selection and precautions.

• Winding Drawings

  Focuses on the preparation and interpretation of simple wave and lap winding drawings, including their applications and determination of coil parameters.

• Dismantling

  Covers recording data from machine plates, systematic dismantling, identification of winding types, and brush fixing for rewinding purposes.

• Rewinding of Machines

  Details types of conductors, insulation materials, and classes of insulation. Covers preparation, fixing of coils, connection, testing, and varnishing.

• Armature, Commutator and Slip Ring

  Focuses on determining commutator effectiveness, skimming commutators and slip rings, and undercutting commutators.

• Final Inspection and Testing

  Covers inspection of components, systematic assembly, lubrication, and testing of machines using instruments like meggers and avometers.