In electrical power, an electrical short-circuit to earth, either intentional or accidental.
Though its explosive speed initially led investigators to suspect arson, later today they said evidence pointed to electrical short-circuits in the lighting or sound systems.
The ants also bring soil and other materials into the control cabinets, which causes corrosion, electrical short-circuits and mechanical damage.
In a July 1999 launching it suffered a hydrogen fuel leak and developed an electrical short-circuit.
The old palace was used as dormitory for boarding girls of the school until 1986, when it was burned down due to an electrical short-circuit.
When should I report an electrical short-circuit?
Among the causes of fires, electrical short-circuits and overloads are the most common.
In 1958, a fire caused by an electrical short-circuit on the sixth floor led to $25,000 worth of damage, but no structural problems.
But more than curio thieves, museum officials worry about electrical short-circuits or leaky pipes that could damage some of the museum's 32 million objects.
Investigators said evidence indicated the cause was an electrical short-circuit.