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GGab PE replied to the thread NEC Question about Conductor Protection - Complex Imaginary Exam 1 Question 69.The question is a little bit vague. To make this desicion, you must first know your load. The NEC will allow you to go with a 200 amps...
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GGab PE replied to the thread Graffeo Exam 35: Backup Protection.You can conclude that 6 and 7 may not be necessary IF you know for sure that this is a radial system ending at loads that do not feed...
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GGab PE replied to the thread Graffeo Exam 35: Backup Protection.Bkr 3 is a local backup and Bkr is a remote backup which must act between 12 to 30 cycles after a fault at bkr 4 primary zone.
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