N.Y.C. Admin. Code § 300.3: Section 300.3

Section 300.3(C)(1)(a) – Add a new third paragraph to Section 300.3(C)(1) to read as follows:

Barriers shall be provided to isolate conductors energized from different sources when the system voltage exceeds 250 volts nominal and conductors are protected by first or second level overcurrent protective devices. Sources include service entrance points, secondaries of different transformers, generators, and UPS systems.