GMJ 9189 Phase 3 Unit 312 electrical - outcome 3 quiz

In the average domestic property in the UK, which of the following form part of the overall wiring layout?

• 3 x ring circuits

• 2 lighting circuits

• 2 x ring cicuits

• 1 power circuit (radial)

• 3 power circuits (radial)

What does MCB stand for?

• Midlands Cricket Board

• Micro Circuit Breaker

• Miniature Circuit Breaker

• Mosad Circuit Breaker

Which answer most accurately describes what MCB's are designed to protect ?

• Individual Circuits

• Individual appliances

• Individual Rooms

• Individuals

RCD stands for ?

• Residual current device

• Resistance Circuit Breaker

• Residential Circuit breaker

RCDs are designed to detect what?

• residuals

• residents

• Resistance

• imbalance

RCD's protect against what?

• water leakage

• live leakage

• neutral leakage

• earth leakage

What component combines the function of an RCD and a MCB?

• MRCB

• MRCB

• RCBO

• RMBO

From what year did regs' start to stipulate the consumer units should be metallic in construction

• 2017

• 2018

• 2019

• 2020

Which British standard covers cartridge fuses?

• BS6700

• BSEN 806

• BS1361

• BS3036

Which British standard covers re-wirable fuses?

• BS6700

• BSEN 806

• BS1361

• BS3036