Trunking System Installation

Electrical Installation Technology · Level 4  ·  5 Chapters

Compiled by: Peter Muriuki

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What Trunking System Installation covers

Trunking System Installation, a Level 4 unit of Electrical Installation Technology, shows how to fit the surface trunking that carries cables along walls and ceilings. You start by identifying trunking types, sizes and accessories, with workplace safety and housekeeping. Then you prepare work pieces: selecting tools, taking measurements and cutting to size. Mounting follows, where you mark mounting points, work out trunking angles and fix the pieces in place. You identify cable colour codes and sizes, lay cables, and install the intake point, final circuits and power. Visual inspection, continuity and polarity tests finish the job.

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Careers after Trunking System Installation

Surface-mounted trunking is a common way to run cables in finished buildings, and this unit prepares you to cut, mount and wire it.

  • Commercial fit-out firms in Nairobi - You mount trunking runs for office and shop lighting and power, cut to measured lengths and angles, then lay and terminate cables. You are paid a salary or a rate per contract.
  • Refurbishment crews in Eldoret - You add trunking and accessories to existing rooms, mark mounting points accurately and test continuity and polarity before the client takes the space back.
  • Factory and workshop maintenance teams in Mombasa - You extend circuits in trunking, identify cable sizes and colour codes and keep the area clean and safe. You earn a monthly wage on the maintenance roster.
  • Self-employed trunking installers in Kakamega - You take shop and office wiring jobs, buy and cut trunking to measurement and price the work. You earn per job and from repeat clients.

Accurate measuring and marking is what separates a trunking run that looks right from one that must be redone.

Chapters

What Trunking System Installation covers: 21 main topics in 5 chapters

1. Identify trunking accessories

  1. 1.1 Workplace safety
  2. 1.2 Trunking types
  3. 1.3 Trunking sizes
  4. 1.4 Trunking accessories
  5. 1.8 Housekeeping (cleaning of the workplace after work)

2. Prepare trunking work pieces

  1. 2.1 Electrical Tools and Equipment
  2. 2.2 Measurements
  3. 2.3 Housekeeping Activities

3. Mount trunking work pieces

  1. 3.1 Marking Mounting Points
  2. 3.2 Trunking Angles
  3. 3.3 Mounting Trunking Work Pieces
  4. 3.4 Housekeeping Activities

4. Install electrical cables and accessories

  1. 4.1 Electrical Cable Colour Code Identification
  2. 4.2 Electrical Cable Sizes Identification
  3. 4.3 Cable Laying
  4. 4.4 Electrical Single-Phase Intake Point Installation
  5. 4.5 Electrical Final Circuits Installation
  6. 4.6 Power
  7. 4.7 Housekeeping Activities

5. Perform Test and Inspection

  1. 5.1 Visual Inspection
  2. 5.2 Test

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Beyond the syllabus

Other units in Module I