Over the past couple of years, an overload or fault on one branch circuit or another has caused the feeder breaker to trip instead of the branch circuit breaker. Having to troubleshoot several branch circuits instead of just one means extended downtime, and the downtime is over a wider area.
The plant manager told you there was a breaker coordination study, so the problem must be with faulty breakers. Now he wants you to identify which breakers need replacement and submit a capital request. What should you do instead?
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