Drawing instruments, lines and lettering

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• 9 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Electrical diagrams and why they matter
2. Symbols for sources and supplies
3. Symbols for switches and control devices
4. Symbols for lamps and loads
5. Symbols for protective devices
6. Symbols for resistors, capacitors and inductors
7. Symbols for electronic components
8. Building a chart of symbols
9. Types of electrical drawings
10. The schematic circuit diagram
11. The wiring diagram
12. The line (single line) diagram
13. The block diagram
14. Symbols on architectural layout plans
15. Drawing instruments, lines and lettering
16. Interpreting a circuit diagram
17. Drawing with software circuit kits
18. Electrical drawings as communication