*Electrical equipment left on continuously.
*Overloaded electrical sockets.
*Electrical cables running under carpets which may become damaged due to the huge number of people walking over them.
*Employees smoking and discarding cigarettes carelessly.
*Staff kitchen if left unattended whilst food is being prepared.
*Hot process, e.g. welding by contractors.
*Incorrect storage of chemicals used for cleaning and photocopiers etc.
*Arson.