Electrical Safety Quiz

What is a live part?

• Part of the installation, but not meant to be live. It could become live under fault conditions.

• Not part of the installation, but could become live under fault conditions.

• A conductor or conductive part that is meant to be live. This includes the neutral

• A part that is always live and cannot become faulty.

Which of the following is not a type of conductive part mentioned?

• Exposed conductive parts

• Extraneous conductive parts

• Live part

• Insulated part

What does a low impedance path under fault conditions provide?

• High resistance

• Low fault current

• High fault current

• Increased voltage

What effect does a high fault current have on the supply?

• It increases supply voltage

• It slows down disconnection

• It creates very quick disconnection

• It has no effect

An earthing conductor is essential for what aspect of an electrical installation?

• Safety

• Aesthetics

• Efficiency

• Speed

In an electrical installation, what does an earthing conductor primarily connect?

• Main earthing terminal to an earth electrode or other means of earthing

• Light switch to a bulb

• Battery to a motor

• Circuit board to a processor

Which color is typically used to identify an earthing conductor in diagrams?

• Green and yellow

• Red

• Blue

• Black

Why is it important to have a secure connection in the terminal block?

• To prevent electrical faults

• To increase voltage

• To reduce current

• To amplify signals

What is the usual domestic size of an earthing conductor?

• 10mm²

• 12mm²

• 16mm²

• 20mm²

What does the acronym "T" stand for in Earthing Systems?

• Terre (French for soil or earth)

• Terminal

• Transmission

• Transformer