Plumbing Level 2 - PP1 - Electrical principles & processes

What is the voltage for a single phase AC in a domestic property?

• 24v

• 230v

• 110v

• 12v

Which document is referred to as the IET Wiring Regulations?

• Manufacturer’s instructions

• Approved Document part P

• The Electricity at Work Regulations

• BS7671

What is the typical circuit protection for a ring main?

• 6 amp

• 32 amp

• 45 amp

• 16 amp

Which of the following is NOT considered a danger zone?

• Outhouse

• Landing

• Kitchen

• Bathroom

What type of current is produced by batteries?

• AC

• Electromagnetic

• DC

• Sinusoidal

What is the purpose of a residual current device (RCD)?

• To protect against overload

• To protect against earth faults

• To protect against short circuits

• To protect against high voltage

What is the correct earthing method for armoured cable?

• TNS

• TNCS

• RCD

• TT

What is the frequency of mains electricity in the UK?

• 40Hz

• 60Hz

• 50Hz

• 30Hz

Which component is used to protect a single appliance or circuit from overload?

• MCB

• RCD

• Transformer

• Fuse

What is the typical protection for a lighting circuit?

• 32 amp

• 16 amp

• 45 amp

• 6 amp