Electrical Components Quiz PART 1

What is the correct order of components through which electricity flows from the incoming supply to the appliances/circuits according to the diagram?

• Meter, Supplier's fuse, Consumer unit, Appliances/circuits

• Supplier's fuse, Meter, Appliances/circuits, Consumer unit

• Incoming supply, Supplier's fuse, Meter, Consumer unit, Appliances/circuits

• Appliances/circuits, Consumer unit, Meter, Supplier's fuse, Incoming supply

What component is directly connected to the meter in the electrical components diagram?

• Main earth bar

• Supplier's fuse

• Consumer unit

• Extraneous metallic pipework such as CH systems

According to the diagram, what is connected to the external metallic pipework systems?

• Main electrical supply

• Consumer unit

• Main earth bar

• Meter

Which of the following materials is a good conductor of electricity?

• Rubber

• Plastic

• Copper

• Glass

What is the primary function of insulators in electrical components?

• To allow electricity to flow

• To protect the consumer from electric shocks

• To generate electricity

• To store electricity

Which of the following is not an insulator?

• Rubber

• Silver

• Plastic

• Glass

What is the purpose of a cable in electrical components according to the document?

• To connect appliances to power sources

• To hard-wire properties, generally unseen, behind walls and under floors

• To transmit data between devices

• To insulate electrical components

What does a 1.5mm twin and earth cable correspond to?

• Ring main

• Larger electric showers (11kW)

• Lighting

• Smaller electric shower (7kW)

Which color represents the neutral wire in the document?

• Blue

• Brown

• Green

• Yellow

What is the color of the live wire as per the document?

• Blue

• Brown

• Green

• Yellow