Hot shot was intended to be fired at wooden ships and to cause ignition of gun powder.
For reference, an invisible spark or a static spark from a person can cause ignition.
Contact with air is dangerous, as it may cause ignition.
Reaction with organic compounds is very exothermic and may cause ignition, so hypochlorites should be handled with care.
Such discharges may be incendive but are less likely to cause ignition of a solvent - air mixture than an electrostatic discharge between two conductors.
No matter the quantity, care must always be taken to prevent any electrostatic discharge or friction during mixing or handling, as these may cause accidental ignition.
An electric arc, if it forms during the short circuit, produces high amount of heat and can cause ignition of combustible substances as well.
He said the organic nitrates in the fertilizer combined with calcium hypochloride in the bleach to cause "spontaneous ignition."
The use of excessive catalyst can, therefore, cause charring or even ignition during the curing process.
Federal officials warned that these kits can be very dangerous: the friction of simply mixing the chemicals can cause ignition.