6035ELEPPT2

What is the first component in the sequence of electrical supply as shown in the diagram?

• Main earth terminal

• Distribution board

• Circuit breaker

• 100amp fuse

Which component comes after the Suppliers fuse in the electrical supply sequence?

• Meter

• Switchboard

• Circuit Breaker

• Distribution Board

What is the function of the Consumer unit in an electrical supply system?

• Measures electricity usage

• Distributes electricity to circuits and appliances

• Protects the supply from overload

• Supplies water

Fill in the blank: The ________ is responsible for measuring the amount of electricity used in a building.

• Meter

• Switch

• Bulb

• Fuse

Which of the following are good conductors?

• Copper, silver, and aluminum

• Rubber, plastic, and glass

• Wood, paper, and cloth

• Water, oil, and sand

Which materials are good insulators?

• Copper, silver, and aluminum

• Rubber, plastic, and glass

• Iron, steel, and gold

• Water, oil, and sand

What is a typical cable used for in electrical installations?

• Decoration

• Hard-wiring properties, generally unseen behind walls and under floors

• Cooking

• Painting

Which size of twin and earth cable is typically used for lighting?

• 1.5mm

• 2.5mm

• 6mm

• 10mm

Which size of twin and earth cable is used for a ring main?

• 1.5mm

• 2.5mm

• 6mm

• 10mm

Fill in the blank: 6mm twin and earth cable is used for ________ electric shower (7kW).

• smaller

• larger

• medium-sized

• industrial