Công nghệ Lớp 9 LMDTN

Class9 Technology Installing the electrical network in the house
Lesson 1 Introduction to the profession of civil electricity Lesson 2 Electrical materials used in the installation of electrical networks in the home Lesson 3 Tools used in electrical network installation Lesson 4 Practice: Using electricity meters Lesson 5 Practice: Rebellion leads electricity Lesson 6 Practice : Install electrical panel circuit Lesson 7 Practice : Install fluorescent tube light circuit Lesson 8 Practice : Install a two-pole two-pole switch to control two lights Lesson 9 Practice: Install a two-way electric circuit three-pole switch controlling one light Lesson 10 Practice: Installing a circuit of a three-pole switch controlling two lights Lesson 11 Installing the wiring of the home electrical network Lesson 12 Checking the safety of the home electrical network Summary and review