Radial Circuit Quiz

What is another name for a radial circuit?

• Power circuit

• Series circuit

• Parallel circuit

• Control circuit

What type of systems do radial circuits typically feed?

• Lighting systems

• Shower, cooker, or central heating systems

• Security systems

• Communication systems

What supplies the radial circuit in the consumer unit?

• 10A MCB

• 20A MCB

• 30A MCB

• 40A MCB

What is the maximum floor area served by an A1 ring circuit?

• 50m²

• 75m²

• 100m²

• 25m²

Which of the following is NOT a typical location for a ring main in a property?

• Kitchen

• Bathroom

• Downstairs

• Upstairs

What is the primary purpose of a ring main?

• To provide lighting

• To supply power to multiple sockets

• To control heating

• To manage water flow

What is the maximum floor area a ring main can cover according to the document?

• 50m²

• 75m²

• 100m²

• 125m²

What is the required supply for showers rated at almost 11kW?

• 30A

• 35A

• 40A

• 45A

What is the CSA requirement for the supply cable of some modern electric showers?

• 10mm²

• 12mm²

• 14mm²

• 16mm²

What type of spur is shown in the image as feeding a fixed appliance?

• Fused spur

• Non-fused spur

• Switched fused spur

• All of the above