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High Voltage Systems

Industrial Control and Installation · Level 6  ·  6 Chapters

Can I download High Voltage Systems notes as a PDF?

Yes. 3 CDACC past papers for High Voltage Systems download as a PDF, free, with no account and no payment. The notes download as a PDF too: every chapter has a Download PDF button above its notes. Sign in and click it. Each download comes from your plan's monthly allowance or from credits. To read before you sign in, the first topic of every chapter opens to anyone, and a Profplanet plan opens the remaining topics. See the 3 free past papers for this unit.

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What High Voltage Systems covers

In this unit, you will be able to confidently plan, install, and maintain high voltage systems in real-world environments, ensuring safety and reliability at every step. By mastering industry standards, selecting the right components and tools, and applying best practices for installation and testing, you’ll be ready to tackle complex high voltage projects with skill and professionalism. Your knowledge will empower you to make critical decisions, interpret technical drawings, and handle high voltage safely—preparing you for a rewarding role in the electrical trade.

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Careers after High Voltage Systems

Understanding and mastering high voltage systems opens doors to vital roles in Kenya’s growing energy and infrastructure sectors. Your skills will be crucial in ensuring safe, reliable electricity supply—powering homes, businesses, and industries that drive our nation’s development.

  • Work with Kenya Electricity Generating Company (KenGen) or Kenya Power and Lighting Company (KPLC) in maintaining and expanding the national grid, ensuring consistent power delivery to millions.
  • Join county government works departments to support electrification projects, street lighting, and public infrastructure development.
  • Serve in the booming construction industry, installing high voltage systems in new commercial buildings, malls, and industrial parks across Nairobi, Mombasa, and beyond.
  • Engage with the jua kali sector by training and supervising artisans who maintain and repair electrical installations in informal settlements and peri-urban areas.
  • Support agribusiness enterprises like KTDA and large-scale farms by maintaining high voltage power systems that run irrigation, processing plants, and cold storage facilities.
  • Pursue entrepreneurship by offering specialized high voltage installation, maintenance, and safety auditing services to matatu operators, hotels, and manufacturing firms.
  • Your expertise ensures safety and efficiency, reducing power outages and accidents, which boosts Kenya’s economic growth and improves quality of life.

Mastering high voltage systems not only makes you a valuable professional but also empowers you to contribute meaningfully to Kenya’s electrification and industrial progress—lighting up the future for yourself and your community!

Chapters

1
Determine high voltage systems location
32 topics
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2
Order high voltage system components and Prepare High Voltage System Work plan
15 topics
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3
Install High Voltage-associated equipment, using best practices
65 topics
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4
Troubleshoot and Repair High Voltage Systems
58 topics
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5
Maintain High Voltage Systems
11 topics
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6
Maintain and Prepare High Voltage Systems workplace records and Technical Reports
27 topics
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3 past papers for this unit →

What High Voltage Systems covers: 31 main topics in 6 chapters

1. Determine high voltage systems location

  1. 1.1 High Voltage systems locations are selected in accordance with accepted IEEE standards
  2. 1.2 High voltage locations' earth is measured for resistivity and conductance
  3. 1.3 High voltage locations are selected based on exposure to weather and climatic conditions. High voltage locations

2. Order high voltage system components and Prepare High Voltage System Work plan

  1. 2.1 High voltage components are selected based on electrical capacity, i.e
  2. 2.2 High voltage Work plans are developed congruent with the intended systems needs
  3. 2.3 High voltage components are selected based on

3. Install High Voltage-associated equipment, using best practices

  1. 3.1 High voltage drawings are interpreted in accordance with electrical and electronics Portfolio of evidence Third party report Oral questioning Written tests regulation
  2. 3.2 High voltage tools are selected for installation as per the circuit components and parts
  3. 3.3 High Voltage systems are installed adhering to best safety practices. High Voltage Systems
  4. 3.4 High voltage connections (i.e. splices, terminations) are installed correctly in accordance with IEEE standards and work place regulations. High voltage connectors
  5. 3.5 High voltage Switch gear is installed correctly in accordance with IEEE standards and work place regulations. High Voltage switch gear
  6. 3.6 Adherence to safety for the various voltages associated with HV systems: 125VDC, 240 VAC 1 ¢, 415 3 @ AC, 660 3 @ AC and above is demonstrated in accordance with IEEE regulations. IEEE regulations
  7. 3.7 High voltage circuit is energized and tested in accordance with the design
  8. 3.8 High voltage lock-out/Tag-out procedures properly demonstrated in accordance with accepted safety regulations
  9. 3.9 High voltage measuring devices for the presence of energy sources, i.e. electrical, pneumatic, springs, hydraulics, and heat and stored energy (capacitors & batteries) are properly used

4. Troubleshoot and Repair High Voltage Systems

  1. 4.1 Faults in High Voltage systems are accurately identified and located in accordance with task requirements
  2. 4.2 High Voltage systems' circuit faults are analyzed
  3. 4.3 Repair strategies and solutions are identified
  4. 4.4 Faults in HV systems are predicted and located
  5. 4.5 Faulty HV equipment is located, replaced and/or repaired using manufacturers' specifications/catalogs and manuals
  6. 4.6 Parts and equipment due to faults in HV systems are replaced as per manufacture specifications
  7. 4.7 Basic repairs on HV systems are conducted applying knowledge of proper design principles to read and interpret relevant technical documents
  8. 4.8 HV systems Job rectification card(s) are filled out

5. Maintain High Voltage Systems

  1. 5.1 High voltage equipment is maintained in good working order using manufacturers' specifications/catalogs and manuals
  2. 5.2 Maintenance on HV equipment is conducted applying knowledge of proper design principles to read and interpret relevant technical documents
  3. 5.3 Performance tests on HV systems are carried out as per industry- accepted practices

6. Maintain and Prepare High Voltage Systems workplace records and Technical Reports

  1. 6.1 Protective relay data sheet are correctly filled out. Portfolio of evidence
  2. 6.2 Proper design principles to identify symbols, characters etc. in schematics, One-Line drawings, and technical documentation are applied
  3. 6.3 Power Distribution and One-line diagrams are produced
  4. 6.4 High Voltage installation, repair, and maintenance records for systems are documented according to workplace procedure and manufacturer specifications
  5. 6.5 Workplace records, catalogues and other required business documents are created and maintained

Revise this unit

Past papers & answers 3 Real CDACC papers for this unit, free to download Exam-style questions 84 Written to CDACC standard, with answers Test yourself 194 Multiple-choice, one at a time Practise questions 155 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 44 What the assessor asks, and how to answer out loud Worked calculations 35 Step-by-step maths with the common mistakes Quick cards 985 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 5 On site, what would you do? Workplace scenarios 100 Real site situations — what would you do? Turn this into income 60 Where this skill earns — what to charge, how to find clients

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