how can we protect electric device from overloading
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To prevent electrical overloads, circuit breakers and fuses are designed to trip or blow, stopping the flow of current to the overloaded cable. For example, a 15-ampere circuit breaker should trip when the current through it exceeds 15 amperes. A 20-ampere fuse should blow when the current through it exceeds 20 amps.
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We can protect electrical devices from overloading and short circuiting by using safety devices like Miniature Circuit Breaker, Fuse wire and Earth wire .
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