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National Electrical Code Basics: Overcurrent Protection Part 1
Each unit has a particular ampere rating. Table 240.6(A) exhibits the standard ampere ratings for fuses and fixed-trip inverse time circuit breakers – fixed-trip means that you cannot change the current settings, and inverse time means the more the short-circuit current magnitude, the less the time to clear the fault.
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COMMENTS
Each unit has a particular ampere rating. Table 240.6(A) exhibits the standard ampere ratings for fuses and fixed-trip inverse time circuit breakers – fixed-trip means that you cannot change the current settings, and inverse time means the more the short-circuit current magnitude, the less the time to clear the fault.