6035ELECTPPT2

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

• Consumer unit

• Supplier's fuse

• Appliances/circuits

Which component is labeled as being extraneous in the diagram?

• Main electrical supply

• Consumer unit

• Main earth bar

• Metallic pipework such as CH systems

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

• Rubber

• Copper

• Plastic

• Glass

What is the role of insulators in electrical components?

• To allow electricity to flow

• To protect the consumer from electric shocks

• To generate electricity

• To conduct heat

Which of the following is not a good conductor of electricity?

• Silver

• Aluminum

• Copper

• Rubber

What is the typical use of a 1.5mm twin and earth cable?

• Larger electric showers (11kW)

• Ring main

• Lighting

• Smaller electric shower (7kW)

Which color is used to denote the neutral wire in electrical components?

• Green and yellow

• Blue

• Brown

• Black

What is the color coding for the live wire in electrical components?

• Green

• Blue

• Brown

• Yellow

What does the central core of a typical cable represent and how is it protected?

• Live; no sleeving required

• Neutral; sleeving in red

• Earth; sleeving in green and yellow

• Earth; no sleeving required