Regulation group 421 in Chapter 42 of the IET Wiring Regulations specifically relates to protection against fire caused by electrical equipment.
Unfortunately, electrical equipment can be a source for ignition and cause fires. In the year ending June 2021 there were about 29,800 accidental dwelling fires attended by fire services in Great Britain, approximately 24,300 of these were in England, 4,100 in Scotland and 1,400 in Wales.
Government statistics include the fires where the cause of ignition is recorded as being electrical distribution and electrical appliances and leads. Typically, electrical fires make up almost a quarter of all fires (source: Gov Data Tables 0602).
Taken from Professional Electrician. To read the full article, here’s the link…