Safety with Electricity Flashcards
1
Q
Name some uses of electricity
A
factories, mines, industries, households and streetlamps
2
Q
Explain the course of electricity from where it is created to the endpoint
A
- Electricity is conducted from dynamos where it is generated
- through thick cables to substations
- from there it is distributed to households
3
Q
How many wires are laid to a household’s electricity meter? name them
A
- two wires
- a live wire
- a neutral wire
4
Q
What does an electricity meter do?
A
it measures how much energy is used in the household
5
Q
What is done for safety purposes?
A
- There is an earth wire connected to a metal wirepipe
- there is good conduction to earth
6
Q
How does an earth wire work?
A
-the wirepipe the earth wire is connected to, does not carry charge, so it is a safety measure.