Experiments are described which show that paper and cotton
cloth may be ignited in about three seconds by the invisible stream
of hot air from a domestic electric firelighter and that ignition is
possible up to about 6 in from the end of the nozzle. The nozzle
and exposed parts of the barrel become sufficiently hot to ignite
materials in contact with them and take a considerable time to cool
after the heater has been switched off. It is concluded that great
care should be exercised when using domestic electric firelighters
and that they are unsuitable for use by elderly or infirm people
and must be kept out of the hands of children.