GCSE Physics - Plugs and Wires #22

The video tutorial explains the components and safety aspects of electrical wiring in the UK. It covers the National Grid's role in supplying electricity, the structure and function of a 3-core cable, and the specific roles of live, neutral, and earth wires. The tutorial emphasizes the importance of understanding potential differences and the safety measures provided by the earth wire to prevent electric shocks. It also highlights the risks associated with touching live wires and the necessity of adhering to safety precautions.

What is the potential difference of the live wire and why is it significant?

What are the three types of wires found in a typical A3 core cable?

What color is the neutral wire and what is its function?

Explain the role of the earth wire in an electrical system.

Describe the consequences of touching a live wire.