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Electrical Circuits in a Dwelling

Authored by mike coldman

Construction

Vocational training

Electrical Circuits in a Dwelling
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the Earth bar in a consumer unit?

To connect live wires

To provide a path to ground

To distribute neutral wires

To house circuit breakers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the consumer unit is used to connect incoming neutral wires?

Earth bar

Neutral in

Circuits out

Busbar

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an RCD detect to protect a circuit?

Voltage increase

Current imbalance

Temperature rise

Power surge

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the label on the switch in the diagram?

OFF

RESET

ON

TRIP

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the red line in the diagram?

To indicate a fault

To show the circuit path

To highlight the busbar

To mark the live wire

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the color of the neutral wire in the diagram?

Brown

Blue

Black

Red

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a cartridge fuse to BS 1361 used for?

It is used in a consumer unit like a rewireable fuse.

It is used in automotive applications.

It is used for high-voltage power lines.

It is used in electronic devices.

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