Alwayslearningelec
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Does the NEC explain what optional critical, critical, life safety and legally required power is?
Thank you
Thank you
NEC Power
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mwm1752
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Optional & legally required does not work in the same sentence - There is no optional critical operational & legally required Stand by systems. They are both necessary as described by their articles.
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- retired electrician
Some of those terms are only found in Article 517 and those terms are under the purview of NFPA 99 and and not NFPA 70.
Emergency, legally required, and optional are defined in 700, 701, and 702 respectively.
Emergency, legally required, and optional are defined in 700, 701, and 702 respectively.
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