Transcription of Fuseology - Cooper Industries
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Fuseology - Cooper Industries
4 Electrical distribution systems are often quite complicated. They cannot beabsolutely fail-safe. Circuits are subject to destructive overcurrents. Harshenvironments, general deterioration, accidental damage or damage from natural causes, excessive expansion or overloading of the electrical distribution system are factors which contribute to the occurrence of suchovercurrents. Reliable protective devices prevent or minimize costly damageto transformers, conductors, motors, and the other many components andloads that make up the complete distribution system. Reliable circuit protectionis essential to avoid the severe monetary losses which can result from powerblackouts and prolonged downtime of facilities.
6 Slash voltage devices are limited in application to solidly grounded, wye systems due to the nature of the way that these devices are tested, listed and
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