Introduction to Mains Electricity: Plugs, Sockets, and Safety Devices

The video tutorial explains how devices are connected to mains electricity in the UK, detailing the components and functions of plugs, including Earth, neutral, and live wires. It covers safety mechanisms like the Earth wire, insulation, and double insulation, and discusses safety devices such as fuses and circuit breakers. The tutorial concludes with an explanation of socket connections.

What is the potential difference of mains electricity supplied in the United Kingdom?

Explain the function of the Earth wire in a plug.

What happens when a live wire contacts a metal part of a device?

Describe the role of the neutral wire in an electrical circuit.

How does a fuse work as a safety device in electrical appliances?

What is the difference between a fuse and a circuit breaker?

Identify the connections on a socket and their corresponding wires.