Which of the following is NOT permitted as a source of power for an emergency system in a building as per CEC?
A storage battery system
A generator system
A separate service from a different utility feeder
An uninterruptible power supply (UPS) system that relies on the normal building service for charging
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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