By the end of the topic, learners will be able to:
• Explain that parallel circuits can cause overload on main circuits
• Explain circuit breakers, fuses, and earth leakage systems as safety devices.
• Connect a 3-pin plug
• Identify the live, neutral, and earth wires in a 3-pin plug
• Explain the purpose of the earth wire
• Draw a plan for wiring lights and light switches in a house.
(a) Sometimes parallel connections are overloaded.
(b) Safety devices such as circuit breakers, fuses, and earth leakage systems are used to prevent fire.
(c) A three pin plug comprising live (brown), neutral (blue), and earth (yellow and green) wires are commonly used.
(d)The earth cable releases a charge to the ground if there is a fault.
(e) Illegal connections disregard safety measures and are a form of energy theft.
Complete this activity in your books and upload a picture on Google Classroom. A link will be opened named Classwork 1 Safety with Electricity
1. What is the purpose of safety when using electricity?
2. Mention three safety devices when working with electricity.
3. Explain how the earth cable works in a three-pin plug.
4. Explain the colours in a 3 pin plug.
5. Why are illegal connections a wrong practice?
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