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Short circuit

A short circuit is a fault in electrical[?] apparatus whereby electrical current is allowed to flow between a phase and the electrical earth[?] or between two phases.

Short circuits are usually caused when a breakdown of insulation occurs, or when a conducting medium, such as water allows current to flow.

Short circuits can cause significant damage to electrical installations, which are normally protected by fuses, circuit breaker or other overload protection.

In computer programming, short circuit is skip evaluation if the whole expression is false regardless the rest of computations.

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