SHS2 Applied Technology · Semester 2 Week 7: Electrical Systems Design

Lesson notes

Learning Objectives

Indicator: 2.5.1.LI.1 - Explain house wiring and provide reasons for doing good wiring.

By the end of the lesson, learners can:

Explain the term “house wiring” in their own words, identifying the key components involved in a domestic electrical installation.
Outline at least four importance of house wiring in a domestic setting.
Provide at least five reasons why good wiring is essential for safety, functionality and cost-effectiveness.
Describe at least three consequences of improper wiring, using real-life examples.
Justify, in a short written or oral argument, why a homeowner should invest in quality wiring rather than cut corners, using evidence from the lesson discussion.

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Curriculum details

Strand: Electrical and Electronic Technology (Strand 5)
Sub-strand: Electrical Systems Design (5.1)
Content standard: 2.5.1.CS.1 - 2.5.1.CS.1 Demonstrate understanding of House Wiring 2.5.1.LO.1 Apply appropriate tools and wiring systems to carry out key wiring processes.
Indicator: 2.5.1.LI.1 - Explain house wiring and provide reasons for doing good wiring.
Suggested placement: Semester 2, Week 7 (Week 27 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 114

Exemplars (from the NaCCA curriculum)

Initiating Talk for Learning and Talk for Learning: Through a whole class discussion and by surfing through the internet engage learners to go through the following activities
- Explain the term 'house wiring.'
- Outline the importance of house wiring
- Provide reasons for doing good wiring.
Collaborative Learning: Engage learners in mixed ability groupings to: Outline the consequences of doing improper wiring NB. Ensure all learners participate in all varieties of practical activities and project work given mixed gender groupings as well.

Assessment (2.5.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning; Level 4 Extended critical thinking and reasoning.

Teaching and Learning Materials:
- Cables
- Trunkings
- conduit pipes
- accessories
- megger
- fittings
- multimeter