700.5(D) Redundant Transfer Equipment.
If emergency loads are supplied by a single feeder, the emergency power system shall include redundant transfer equipment or a
bypass isolation transfer switch to facilitate maintenance as required in 700.3(C) without jeopardizing continuity of power.
According to the above code rule, if a building has a emergency generator that powers (1) emergency ATS (NEC 700) and (1) optional standby ATS (NEC 702),
the emergency ATS must be bypass isolation type, correct?
If emergency loads are supplied by a single feeder, the emergency power system shall include redundant transfer equipment or a
bypass isolation transfer switch to facilitate maintenance as required in 700.3(C) without jeopardizing continuity of power.
According to the above code rule, if a building has a emergency generator that powers (1) emergency ATS (NEC 700) and (1) optional standby ATS (NEC 702),
the emergency ATS must be bypass isolation type, correct?