1. What is the purpose of a earth wire?
- To connect the appliance to the mains
- To prevent overload in an appliance
- To carry charge away from an appliance should there be a fault
- To charge the appliance
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Other questions in this quiz
2. What colour is the live wire?
- Green and Yellow
3. What does RCCB stand for?
- Residual current circuit breaker
- Resettable compact circuit breaker
- Remote controlled circuit breaker
- Reusable cut-off circuit breaker
4. What are the pins of a plug made of?
5. What is the standard potential difference (voltage) of a UK mains socket?
- 230 V