Electricity in the Home (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the minimum amp rating for an MCB when the cabinet is over 3 metres from the distribution board?
What is the minimum amp rating for an MCB when the cabinet is over 3 metres from the distribution board?
63 amps
What is the main disadvantage of using fuses as safety devices?
What is the main disadvantage of using fuses as safety devices?
They must be replaced after use
How quickly does an MCB trip when the current exceeds the safe limit?
How quickly does an MCB trip when the current exceeds the safe limit?
In one-tenth of a second
At what current difference will an RCD trip to stop current flow?
At what current difference will an RCD trip to stop current flow?
30 milliamps or more
What is the maximum number of outlets that can be connected to a single circuit?
What is the maximum number of outlets that can be connected to a single circuit?
10 outlets
Which component in the external meter cabinet prevents tampering with the meter?
Which component in the external meter cabinet prevents tampering with the meter?
Official meter seal
What power rating requires an appliance to have its own dedicated circuit?
What power rating requires an appliance to have its own dedicated circuit?
3.6kW or higher
How far from the bath must electric heaters be positioned in bathrooms?
How far from the bath must electric heaters be positioned in bathrooms?
More than 0.8 metres
How many sockets are recommended for a kitchen?
How many sockets are recommended for a kitchen?
10 sockets
A 2kW kettle runs for 3 hours. How many kWh does it use?
A 2kW kettle runs for 3 hours. How many kWh does it use?
6 kWh