By the end of this chapter, you will be able to:
Mastering these skills will help you produce clear, accurate electrical drawings that are essential for real-world electrical projects.
Type: Individual
| Tools & Equipment | Materials |
|---|---|
| Drawing board | A4 drawing sheets |
| T-square | Masking tape |
| Set squares (45° and 60°) | |
| Mechanical pencil 0.5mm | |
| Eraser | |
| Compass | |
| Protractor | |
| Scale ruler (metric) |
| S/N | Item | Quantity |
|---|---|---|
| 1 | Drawing board | 1 Pc per Candidate |
| 2 | T-square | 1 Pc per Candidate |
| 3 | Set squares (45° and 60°) | 2 Pcs per Candidate |
| 4 | Mechanical pencil 0.5mm | 2 Pcs per Candidate |
| 5 | Eraser | 1 Pc per Candidate |
| 6 | Compass | 1 Pc per Candidate |
| 7 | Protractor | 1 Pc per Candidate |
| 8 | A4 drawing sheets | 5 Sheets per Candidate |
| 9 | Masking tape | 1 Roll per 10 Candidates |
| 10 | Scale ruler (metric) | 1 Pc per Candidate |
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|---|---|---|
| TASK 1: PREPARATION AND SETTING OUT | |||
| Wore required PPE: gloves and dust coat (Award 1 mark if all PPE worn correctly, else 0) | 1 | ||
| Cleaned and prepared drawing board and workspace (Award 1 mark for neat and organized workspace) | 1 | ||
| Assembled all required drawing tools (Award 1 mark if all tools ready before starting) | 1 | ||
| Fixed drawing sheet properly using masking tape (Award 1 mark for secure and neat fixing) | 1 | ||
| Sub-Total | 4 | ||
| TASK 2: DRAWING ORTHOGRAPHIC ELEVATIONS | |||
| Drew the front elevation to correct scale showing 500mm diameter and 400mm height (Award 5 marks for accurate scale and proportions) | 5 | ||
| Drew the side elevation with correct dimensions and details (Award 5 marks for correct side elevation drawing) | 5 | ||
| Used compass and protractor correctly for circular and angular features (Award 2 marks for proper use of instruments) | 2 | ||
| Maintained line quality and neatness throughout the drawing (Award 3 marks for clean, clear, and precise lines) | 3 | ||
| Annotated the drawing with labels such as 'Ceiling Fan', '500mm diameter', '400mm height' (Award 2 marks for clear and correct annotations) | 2 | ||
| Sub-Total | 17 | ||
| PRODUCT CHECKLIST | |||
| Front elevation dimension accuracy (500mm diameter and 400mm height) (Award 5 marks if dimensions within ±2mm tolerance) | 5 | ||
| Side elevation dimension accuracy matching specifications (Award 5 marks if dimensions within ±2mm tolerance) | 5 | ||
| Drawing neatness, line quality, and presentation (Award 6 marks for professional presentation and clarity) | 6 | ||
| Correct and clear annotations on the drawing (Award 2 marks for all required annotations present and legible) | 2 | ||
| Sub-Total | 18 | ||
| GRAND TOTAL | 39 | ||
Type: Individual
| Tools & Equipment | Materials |
|---|---|
| Scale ruler (Architect's scale) | A3 size printed orthographic elevation drawings of electrical installation |
| Mechanical pencil | Tracing paper |
| Eraser | Writing material (foolscap paper) |
| Set squares | |
| Masking tape |
| S/N | Item | Quantity |
|---|---|---|
| 1 | A3 size printed orthographic elevation drawings of electrical installation | 1 Set per Candidate |
| 2 | Scale ruler (Architect's scale) | 1 Pc per Candidate |
| 3 | Mechanical pencil (0.5mm) | 1 Pc per Candidate |
| 4 | Eraser | 1 Pc per Candidate |
| 5 | Set squares (45° and 60°) | 1 Set per Candidate |
| 6 | Masking tape | 1 Roll per 10 Candidates |
| 7 | Tracing paper (A3 size) | 2 Sheets per Candidate |
| 8 | Writing material (foolscap paper) | 1 Sheet per Candidate |
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|---|---|---|
| TASK 1: PREPARATION AND PPE | |||
| Wore PPEs correctly: gloves, dust coat, safety boots, and surgical mask (Award 1 mark for all 4 PPE worn correctly, 0 otherwise) | 1 | ||
| Cleaned and organized workstation and assembled required tools (Award 1 mark for proper cleaning and correct tools assembled) | 1 | ||
| Sub-Total | 2 | ||
| TASK 2: DIMENSIONING PROCESS | |||
| Verified scale and drawing orientation before dimensioning (Award 1 mark for correct verification) | 1 | ||
| Used scale ruler and set squares correctly to add dimension lines (Award 2 marks for correct and neat use of scale and set squares) | 2 | ||
| Dimensioned width (1200mm) and height (2100mm) of the electrical panel accurately (Award 3 marks for correct and clear dimensioning of width and height) | 3 | ||
| Dimensioned key components on the elevation such as switchboard height (1500mm), conduit spacing (100mm c/c), and socket positions (Award 3 marks for correct and complete dimensioning of key electrical components) | 3 | ||
| Added dimension arrows, extension lines, and text annotations neatly and according to standard practice (Award 2 marks for neat and standard dimensioning style) | 2 | ||
| Sub-Total | 11 | ||
| PRODUCT CHECKLIST | |||
| Dimensions on the drawing match specified values: 1200mm width, 2100mm height, 1500mm switchboard height, 100mm conduit spacing (Award 5 marks for all dimensions correct and clearly legible) | 5 | ||
| Dimension lines are straight, correctly placed, and do not overlap drawing details (Award 3 marks for proper dimension line placement and clarity) | 3 | ||
| Drawing is neat, free from smudges and erasures, and all annotations are correctly spelled (Award 4 marks for overall neatness and professional presentation) | 4 | ||
| Sub-Total | 12 | ||
| GRAND TOTAL | 25 | ||
At the start of this chapter we promised you would be able to:
Tick each one you can genuinely do.
So, are you there yet?
You're competent when you can confidently do 50% or more of what this chapter promised.
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