An automatic transfer switch (ATS) for an emergency system serving a large assembly occupancy must be listed for emergency use and be capable of operating reliably. According to NEC 2026, what is the maximum time delay allowed for the transfer from the normal power source to the emergency power source for emergency lighting and power?

The correct answer is located in the National Electrical Code Section XXX.XX(Y)(Z). Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

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