Short circuit Tree limbs cause a short circuit during a storm, triggering an electrical arc. A short circuit (sometimes abbreviated to " short " or "s/c") is an electrical circuit that allows an electric current to travel along an unintended path with no or very low electrical impedance. This results in an excessive current flowing through the ... Short circuits , prevalent in electronics, pose serious risks like fires, damage, and shocks. Identifying causes such as wire damage or component failure is crucial for prevention. Protective measures like circuit breakers help mitigate hazards, ensuring safe operation. Vigilance and prompt professional assistance are key to addressing short circuit issues effectively. Learn what a short circuit is, how it occurs, and what are the signs and risks of electrical short circuits. Find out the types of short circuits and the devices that can prevent them. A short circuit is a state in which electricity moves outside of the predefined route of an electrical circuit .