Electrical Installation II

Electronics Engineering · Level 5  ·  6 Chapters

Compiled by: Faith Akoth

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What Electrical Installation II covers

In this unit, you will be able to confidently read, interpret, and produce a wide range of technical electrical drawings using both manual skills and AutoCAD software. By mastering drawing conventions, geometric forms, angles, and technical symbols, you’ll be equipped to communicate complex ideas clearly and accurately in the real world of electrical installation. These skills will empower you to create, understand, and assemble electrical components and systems with professionalism and precision.

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Careers after Electrical Installation II

Understanding and mastering electrical installation drawings is a crucial skill that opens doors to numerous practical and rewarding careers in Kenya's growing infrastructure and energy sectors. This skill not only helps you read and create precise technical drawings but also empowers you to work confidently on real-world projects where safety, accuracy, and professionalism are paramount.

  • In the Kenya Power and Lighting Company (KPLC) and KenGen, skilled electrical technicians use these drawing interpretation skills daily to install, maintain, and upgrade electrical systems that power homes, industries, and entire counties.
  • The construction industry, including large firms working on county government projects and private developments, relies heavily on accurate electrical installation drawings to ensure buildings meet safety and regulatory standards.
  • In the vibrant jua kali sector, artisans who can read and produce technical drawings stand out by offering professional electrical installation and repair services, increasing their earnings and client trust.
  • The matatu industry and other transport sectors need skilled electricians to install and maintain electrical systems in vehicles, where precise interpretation of wiring diagrams ensures safety and functionality.
  • Agribusiness enterprises like KTDA and large-scale farms require electrical installations for irrigation, processing, and storage facilities, creating demand for technicians who can work from technical drawings.
  • Mastering these skills allows you to work as a salaried technician or engineer’s assistant, or to start your own business providing installation and maintenance services, thus creating multiple streams of income.
  • Accurate interpretation and creation of electrical drawings reduce errors, enhance safety, and improve project efficiency, making you an indispensable professional in any technical team.

By mastering electrical installation drawings, you are not just learning to read lines and symbols—you’re building a foundation for a stable, respected, and well-paid career that powers Kenya’s development and lights up lives across the country. Keep pushing forward; your skills will light the way to a brighter future!

Chapters

What Electrical Installation II covers: 40 main topics in 6 chapters

1. Apply EHS Standards

  1. 1.1 Meaning of term PPE
  2. 1.2 Purpose of PPE
  3. 1.3 Types of PPE
  4. 1.4 Safe and correct handling, use, maintenance and storage of different types of PPE
  5. 1.5 Classes of fires and fire fighting equipment
  6. 1.6 First aid procedures
  7. 1.7 Methods of resuscitation

2. Prepare working drawings

  1. 2.1 Meaning of working drawings
  2. 2.2 Types of Working drawings
  3. 2.3 Identification and care of drawing instruments and equipment
  4. 2.4 Identification of drawing paper sizes
  5. 2.5 Drawing various types of lines
  6. 2.6 Drawing title block
  7. 2.7 Drawing standard electrical symbols
  8. 2.8 Conversion of scales

3. Assemble tools, equipment & materials

  1. 3.1 Classification of tools
  2. 3.2 Use, care and maintenance of tools
  3. 3.3 Identification of materials
  4. 3.4 Specification of tools, equipment and materials
  5. 3.5 Reuse and Disposal of materials
  6. 3.6 Bill of Quantities (BOQ)
  7. 3.7 List and assemble tools, equipment and materials
  8. 3.8 Inventory management

4. Perform electrical installation

  1. 4.1 Single Phase and Three Phase Installation
  2. 4.2 Cables and cable joints
  3. 4.3 Wiring systems and accessories
  4. 4.4 Power circuits
  5. 4.5 Cable labelling
  6. 4.6 Disposal of waste materials

5. Terminate Electrical installation

  1. 5.1 Importance of Termination
  2. 5.2 Cable Labelling
  3. 5.3 Cable Lugging
  4. 5.4 Tools Used in Cable Termination
  5. 5.5 IEE Regulations
  6. 5.6 Disposal of Waste Materials

6. Inspect and test installation

  1. 6.1 Types of tests
  2. 6.2 Earthing points in Electrical installation
  3. 6.3 Testing tools
  4. 6.4 Importance of testing
  5. 6.5 IEE regulations

Practise this unit

Revise this unit

3 more for this unit

Beyond the syllabus

Other units in Module II