N.Y.C. Admin. Code § 230.42: Section 230.42

Section 230.42(D) – Add a new Section 230.42(D) to read as follows:

(D) Service Busway. Service busway shall be constructed as required by 368.119.

Section 230.42(E) – Add a new Section 230.42(E) to read as follows:

(E) Services 1,000 kVA and over. Ampacity of the service-entrance conductors for services 1,000 kVA and larger shall not be less than the sum of the maximum ampere ratings of the service disconnecting means. When including fire pump disconnects in the calculation, 125 percent of the fire pump full load amperes shall be added.

Exception: The ampacity of service-entrance conductors need not exceed the maximum demand calculated in accordance with Article 220 for up to a maximum of 4000-ampere per service. For services under 4000-ampere, calculations shall be available upon request by the AHJ.

Informational Note: See 110.2(B)(1) for determining service capacity.