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Electrical Isolators Quiz LO 1.3 /1

Authored by Daniel Edwards

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Electrical Isolators Quiz  LO 1.3 /1
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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the primary purpose of an isolator in electrical circuits?

To ensure circuits are safe and de-energised for maintenance

To increase the voltage in a circuit

To provide backup power during outages

To enhance the speed of electrical flow

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are isolators often referred to as?

Circuit breakers

Main switches

Transformers

Fuses

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What function do isolators serve in relation to the power supply?

They connect the circuit to the power supply

They separate the circuit from the power supply

They increase the power supply

They convert AC to DC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most common type of protective device fitted in modern domestic installations?

Rewireable fuses

Cartridge fuses

Circuit breakers (CBs)

Surge protectors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which standard does BS EN 60898 supersede?

BS 1363

BS 7671

BS 3871

BS 5733

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What size circuit breaker is typically used for lighting?

10A

6A

16A

32A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one advantage of circuit breakers over rewireable fuses?

They are cheaper

They can be reset easily

They are smaller in size

They require no maintenance

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