Which outcome results when a faulty autotransformer lacks appropriately rated circuit breakers?

💡 Explanation

Widespread breaker tripping occurs, because improper sizing prevents selective coordination and overcurrent protection via I2t withstand. Therefore, a fault leads to cascading failures, rather than isolating the problem locally if breakers were chosen carefully.

• Which outcome occurs downstream in refrigeration system when expansion valve malfunctions, excessively releasing refrigerant?
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