Welcome to the module on Electricity in the Home.

Things to note!
1. How a ring circuit works. 
2. The difference between direct and alternating current. 
3. That the voltage of the mains supply is 230 volts a.c. 
4. The unit of electrical energy used by electricity supply companies. 
5. How to calculate the cost of using common electrical appliances. 
6. How to wire a plug correctly. 
7. The safety role of a fuse in domestic electrical circuits. 
8. The safety role of circuit breakers in domestic electrical circuits.