2365 203 - Overall 40 Qs

What is the purpose of the Electricity at Work Regulations 1989?

• To monitor electricians' wages

• To promote fire safety

• To ensure safety in the use of electrical systems at work

• To define cable sizes

What does COSHH cover?

• Earthing arrangements

• The use and control of hazardous substances

• Electrical installations

• Personal injury claims

What does BS7671 regulate?

• Consumer service connections

• Electrical installation design and safety

• Appliance warranties

• Tool certification

What does the On-Site Guide provide?

• Legal instructions

• Manufacturer preferences

• Practical guidance for complying with BS7671

• Fire regulations

What regulation number in BS7671 relates to disconnection times?

• 433.1.1

• 411.3.2.2

• 522.6.202

• 314.1

What is the main job of a fuse?

• Boost current

• Trip under earth fault

• Disconnect the circuit by melting under overcurrent

• Regulate voltage

What is an RCD designed to detect?

• Overload

• Overvoltage

• Earth leakage

• Short circuits

What type of device combines RCD and MCB protection?

• MRC

• RCCB

• RCBO

• Isolator

What does MCB stand for?

• Modular Current Breaker

• Miniature Circuit Breaker

• Maximum Current Buffer

• Main Circuit Base

What type of cable is used for standard ring final circuits in domestic settings?

• 1.5mm²

• 2.5mm² twin and earth

• 4.0mm²

• Steel Wire Armoured