Part P BS 7671 IET Wiring Regulations

Question 1

What is the full title of BS 7671?

Accepted Answer

Requirements for Electrical Installations (IET Wiring Regulations)

Answer

BS 7671 is titled 'Requirements for Electrical Installations' and is published by the IET (Institution of Engineering and Technology), commonly called the IET Wiring Regulations.

Question 2

Which edition of BS 7671 is currently in force in the UK?

Accepted Answer

18th Edition (2018, with amendments)

Answer

The 18th Edition of BS 7671 came into force in January 2019 (with subsequent amendments); it is the current standard for electrical installations in the UK.

Question 3

What is the purpose of BS 7671?

Accepted Answer

To provide requirements to protect persons, property and livestock against hazards from electrical installations

Answer

BS 7671 sets out the requirements for designing, erecting and verifying electrical installations to protect persons, property and livestock from dangers arising from those installations.

Question 4

What is Regulation 110.1 of BS 7671 concerned with?

Accepted Answer

The purpose, scope and fundamental principles of the regulations — protecting against shock, fire and burns

Answer

Part 1 of BS 7671 (including Regulation 110.1) sets out the scope, object and fundamental principles of the regulations, stating the purpose of providing protection against electric shock, fire, burns and other hazards.

Question 5

What does 'SELV' stand for in BS 7671?

Accepted Answer

Separated Extra-Low Voltage

Answer

SELV stands for Separated Extra-Low Voltage — a system operating at low voltage (below 50 V AC or 120 V DC) that is electrically separated from earth and other systems, providing inherent protection against shock.

Part P Electrical Practice Test

Part P Electrical Practice Test

Part P BS 7671 IET Wiring Regulations