Test yourself on safety when working with electricity
How things can go wrong if you are careless with electricity
What could happen in this situation where the wiring is about to be covered by a panel?
Nothing, the panels with stay there and protect the wiring.The wiring can be crimped so that not so much electricity can come out of it.The wiring can be worn and pose a hazard to the area around it.Your answer is correct
Your answer is wrong
Wiring and cables must always be either suspended or protected against damage and to stop people falling over them.
What could happen in this situation when the electrician pulls out a plug without checking whether anyone else is using it?He might fall out with his colleagues.He could create a very dangerous situation for the people whose power is suddenly cut off.Nothing, you just have to find the nearest and best power point.Your answer is correct
Your answer is wrong
Suddenly taking away someone's power is always dangerous. Therefore, it is important always to check carefully to find out who is using a plug before starting to pull it out so that you can power up your own equipment. When planning work, you must always ensure that there are enough power points.
What could happen if a determined carpenter were to take it upon himself to repair a defective drill – and forgot to take out the plug?
The trade union might come after him – repairing machinery is the electrician's job.
In a worst-case scenario, he could die from an electric shock if someone were to suddenly switch on the power.
He risks getting a bit of a shock from stored power.
Your answer is correct
Your answer is wrong
If anyone were to suddenly switch on the power, the determined carpenter would get an electric shock so powerful that it could kill him. Therefore, it is always a bad idea to repair tools yourself on site Ask your employer to send the tool for repair so that you can live a little longer.
What do you think might happen in this situation?The bricklayer drops his stuff on his toes.
NothingThe bricklayer trips over the loose wires.Your answer is correct
Your answer is wrong
Loose wiring always poses a major risk: someone might fall over it, and there might be some nasty falls. Always make sure that cables are hung up on the wall or from the ceiling, and if you have to run them along the ground, remember to secure them so that nobody can fall over them.
What could happen if you do not keep an eye out for plugs, power points and wiring?
You will end up spending extra on materials because you will have to take everything back out again.
Nothing beyond risking being without power
Anything and everything – tools destroyed, fires and electric shocksYour answer is correct
Your answer is wrong
Everybody on a building site must be concerned about safety when working with electricity. otherwise there may be accidents in which people are injured and machinery and equipment is damaged. Electricity is useful, but dangerous if it is not contained within the cables designed for it. So remember: safety when working with electricity is everyone's responsibility.
What is wrong in this situation:things have not been cleared up, and the cardboard reels are in a mess. The painters are using a bulb with too high an output.
The painters have not unwound all the cable from the reel.Your answer is correct
Your answer is wrong
When a cable is left on the reel, it generates a lot of heat. Therefore, it is important to remember to unwind the entire cable from the reel so as to prevent fire in which people may be injured or even lose their lives.