Mains Electricity (GCSE Physics)
Mains Electricity
Connecting to the Mains
Cables
- Cables are used to connect to the mains. In order to use our electrical devices, we must connect them with cables to the mains supply. The cables will provide a pathway for the electricity to run through.
- The cables are made of three wires. Inside each cable are 3 wires, meaning that they are called three core cables. These all run into the head of a three pin plug, which can go into a wall socket.
The Three Wires
For exams, we need to know the colours, potential difference and uses of each of three cable wires:
Still got a question? Leave a comment
Leave a comment