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Emergency battery pack lighting in site with standby generator
Can anyone tell me if you need emergency battery pack type lighting in a waste water treatment plant if the entire site is backed up on standby generator?
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Yes you do.
If the gen set takes longer than 10 seconds to come online
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There is also a requirement to separate the legally required loads from the optional ones; EM lighting and exit signs vs. HVAC. There's a lot of detail in Article 700.
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how is the generator listed ? Legally required or emergency generator or backup gen. I am not sure one has 1 minute vs a 10 second requirement. just asking. i don't know.
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