Services

NYC Admin. Code tit. 28, ch. 11, art. New York City Amendments to the 2020 National Electrical Code., art. 230

in effect

NYC Electrical Code § 230.6

Section 230.6 Section 230.6 – Add a new Item (6) to the list of items in Section 230.6 to read as follows: (6) Where installed in electric service rooms

Section 230.9 Section 230.9 – Add a new Informational Note at the end of Section 230.9 to read as follows: Informational Note: The utility company’s requirements for vertical and horizontal clearance for overhead service conductors may be more stringent.

NYC Electrical Code § 230.24

Section 230.24 Section 230.24(B)(5) – Add a new Informational Note at the end of Section 230.24 (B)(5) to read as follows: Informational Note: The utility company’s requirements for vertical and horizontal clearance for overhead service conductors may be more stringent.

NYC Electrical Code § 230.28

Section 230.28 Section 230.28 – Add a new Informational Note at the end of Section 230.28 to read as follows: Informational Note: The utility company may have more stringent requirements for service mast and service drop installations.

NYC Electrical Code § 230.30

Section 230.30 Section 230.30(A) – Revise the Exception in Section 230.30(A) to read as follows: Exception: DELETED. Section 230.30(B) – Add a new Informational Note at the end of Section 230.30(B) to read as follows: Informational Note: The utility company may have more stringent requirements regarding the use of PVC conduits. Section 230.30(B)(7) – Revise Item (7) in the list of items in Section 230.30(B) to read as follows: (7) DELETED.

NYC Electrical Code § 230.33

Section 230.33 Section 230.33 – Revise Section 230.33 to read as follows: 230.33 Spliced Conductors. Service conductors shall be permitted to be spliced or tapped in accordance with 300.5(E), 300.13, and 300.15. For underground service conductors, the requirements of 230.46(C) shall apply.

NYC Electrical Code § 230.41

Section 230.41 Section 230.41 – Revise the Exception after the opening paragraph in Section 230.41 to read as follows: Exception: A grounded conductor shall be permitted to be uninsulated bare copper, aluminum, or copper-clad aluminum when used as part of a jacketed cable assembly.

NYC Electrical 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.

NYC Electrical Code § 230.43

Section 230.43 Section 230.43 – Revise Section 230.43 to read as follows: 230.43 Wiring Methods for 1,000 Volts, Nominal, or Less. Service-entrance conductors shall be installed in accordance with the applicable requirements of this Code covering the type of wiring method used and shall be limited to the following methods: (1) Rigid metal conduit (RMC) (2) Intermediate metal conduit (IMC) (3) Electrical metallic tubing (EMT) (4) Metallic wireways (5) Busways (6) Metallic auxiliary gutters (7) Rigid polyvinyl chloride conduit (PVC) when installed in accordance with 230.6(1), (2) or (4). Exception: Exposed PVC service masts on the exterior of residential buildings are permitted within 3,000 feet (914.4 m) of a body of salt water. (8) Cable bus. (9) Mineral-insulated, metal-sheathed cable, Type MI (10) Flexible metal conduit (FMC) not over 6 ft (1.83 m) long or liquidtight flexible metal conduit (LFMC) not over 6 ft (1.83 m) long between a raceway, or between a raceway and service equipment, with a supply-side bonding jumper routed with the flexible metal conduit (FMC) or the liquidtight flexible metal conduit (LFMC) according to the provisions of 250.102(A), (B), (C), and (E). (11) High density polyethylene conduit (HDPE), underground (12) Nonmetallic underground conduit with conductors (NUCC) (13) Reinforced thermosetting resin conduit (RTRC) Service entrance conductors shall not run within the hollow spaces of frame buildings. Informational Note: The utility company may have additional or more stringent requirements.

NYC Electrical Code § 230.44

Section 230.44 Section 230.44 – Revise Section 230.44 to read as follows: 230.44 Cable trays. Cable tray systems shall be permitted to support service-entrance conductors. Cable trays used to support service-entrance conductors shall contain only service-entrance conductors listed for use in cable trays and shall be limited to Type MI Cable. Such cable trays shall be identified with permanently affixed labels with the wording “Service-Entrance Conductors.” The labels shall be located so as to be visible after installation with a spacing not to exceed 10 ft (3 m) so that the service-entrance conductors are able to be readily traced through the entire length of the cable tray.

NYC Electrical Code § 230.46

Section 230.46 Section 230.46 – Revise Section 230.46 to read as follows: 230.46 Spliced and Tapped Conductors. Service entrance conductors shall be permitted to be spliced or tapped in accordance with 300.5(E), 300.13, 300.15, and 230.46(A) through 230.46(C). Power distribution blocks, pressure connectors, and devices for splices and taps shall be listed. Power distribution blocks installed on service conductors shall be marked “suitable for use on the line side of the service equipment” or equivalent. Pressure connectors and devices for splices and taps installed on service conductors shall be marked “suitable for use on the line side of the service equipment” or equivalent. (A) Spliced or tapped service-entrance conductors in the form of multi-section service busway, fabricated and installed in accordance with 368.119, shall be permitted. (B) Service-entrance conductors shall be permitted to be spliced or tapped at the following locations when using listed terminals and are installed in accordance with applicable equipment standards and 110.2 within a: (1) Service end box. (2) Copper detail tap box. (3) Utility metering enclosure. (4) Service disconnect enclosure. (5) Service panelboard. (6) Service switchboard or service switchgear. (7) Service busway fabricated and installed in accordance with 368.119. (8) Power Distribution Block (C) Spliced or tapped service conductors not installed in accordance with A or B shall utilize listed irreversible compression connectors. All splices and taps shall be located within an identified enclosure and be located outside of the building in accordance with 230.6. Informational Note: The utility company may have more stringent requirements.

NYC Electrical Code § 230.52

Section 230.52 Section 230.52 – Revise Section 230.52 to read as follows: 230.52. DELETED.

NYC Electrical Code § 230.54

Section 230.54 Section 230.54(C) – Add a new Informational Note at the end of Section 230.54 (C) to read as follows: Informational Note: Confirm location and requirements of service heads with the electric utility having jurisdiction over the electrical service installation. Section 230.54(E) – Revise the Exception in Section 230.54(E) to read as follows: Exception: DELETED.

NYC Electrical Code § 230.64

Section 230.64 Section 230.64 – Add a new Section 230.64 to Part V to read as follows: 230.64 Special Requirements. Where service equipment capacity is 1,000 kVA or larger, 230.64(A) through (F) shall apply. Informational Note: See 110.2(B) to determine service equipment kVA capacity. (A) Service rooms shall have a 2-hour fire rating and be constructed of non-combustible materials. (B) Minimum working space in front of all service disconnecting means shall be 5 ft (1.52 m). When disconnecting means are located face-to-face, the minimum working space shall be 7 ft (2.13 m). Exception: This requirement shall not apply to service disconnecting means rated 100 amperes or less. (C) Minimum distance from the floor to uninsulated live parts within the equipment shall be 12 in. (300 mm). (D) Service equipment requiring rear access shall have a minimum of 3 ft (914 mm) clearance on each side in addition to complying with 110.26(A) or 110.34(A) for rear working space. (E) If the equipment does not require rear access and the distance from the rear of the equipment to the opposite wall is less than 3 ft (914 mm), then physical barriers shall be installed to prevent access behind the equipment. Exception: Barriers shall not be required if the rear clearance is 12 in. (300 mm) or less. (F) There shall be 2 means of egress from the required working space for electrical equipment. A means of egress shall be accessible from each end of the working space. A single means of egress from the working space shall be permitted where either of the conditions in 230.64(F)(1) or 230.64(F)(2) is met. (1) Unobstructed Egress. Where the location permits a continuous and unobstructed way of egress travel, a single entrance to the working space shall be permitted. (2) Extra Working Space. Where double the working space specified in Table 110.26(A)(1) or Table 110.34(A) is provided, a single means of egress shall be permitted. The single means of egress shall be located such that the distance from the equipment to the nearest edge of the egress doorway is not less than the minimum clear distance specified in Table 110.26(A)(1) or Table 110.34(A) for equipment operating at that voltage and in that condition. Working space in front of service disconnecting means shall not be less than that required in 230.64(B).

NYC Electrical Code § 230.70

Section 230.70 Section 230.70(B) – Revise Section 230.70(B) to read as follows: (B) Marking. Each service disconnect shall be permanently marked to identify it as a service disconnect. Legally required labels shall be visible and unobstructed. Section 230.70(D) – Add a new Section 230.70(D) to read as follows: (D) Signage. Signage shall be provided when a service is located above street level at the following locations. Such signage shall indicate the specific location of the main electric service room. Signage shall be clearly visible and unobstructed. (1) All Building Entrances. (2) Fire Alarm Control Panel location.

NYC Electrical Code § 230.71

Section 230.71 Section 230.71 – Revise Section 230.71 as follows: 230.71 Maximum Number of Disconnects. Each service shall have only 1 disconnecting means unless the requirements of 230.71(B) are met. (A) General. For the purpose of this section, disconnecting means installed as part of listed equipment and used solely for the following shall not be considered a service disconnecting means: (1) Power monitoring equipment (2) Surge-protective device(s) (3) Control circuit of the ground-fault protection system (4) Power-operable service disconnecting means (B) Two to Six Service Disconnecting Means. Two to six service disconnects shall be permitted for each service permitted by 230.2 or for each set of service-entrance conductors permitted by 230.40, Exception No. 1, 3, 4, or 5. (C) Equipment Arrangement. For all new and existing one- and two-family dwellings and other than one-or two-family dwellings for which an application for construction document approval is filed after the effective date of the local law that enacted this code, the 2 to 6 service disconnecting means shall consist of a combination of any of the following: (1) Separate enclosures with a main service disconnecting means in each enclosure (2) Panelboards with a main service disconnecting means in each panelboard enclosure (3) Switchboard(s) where there is only 1 service disconnect in each separate vertical section where there are barriers separating each vertical section (4) Service disconnects in switchgear or metering centers where each disconnect is located in a separate compartment Informational Note No. 1: Metering centers are addressed in UL 67, Standard for Panelboards. Informational Note No. 2: Examples of separate enclosures with a main service disconnecting means in each enclosure include but are not limited to motor control centers, fused disconnects, circuit breaker enclosures, and transfer switches that are suitable for use as service equipment.

NYC Electrical Code § 230.72

Section 230.72 Section 230.72(A) – Add Informational Note at the end of Section 230.72(A) to read as follows: Informational Note: In existing buildings, if 1 or more of the 2 to 6 disconnects are not able to be grouped due to space constraints, they may be located in a remote location, if special permission is granted by the AHJ, provided signage is installed in accordance with 225.37. Proof of hardship may be required. Where additional approved disconnects are installed, a permanent plaque or directory installed at the entrances of both disconnect locations may be required.

NYC Electrical Code § 230.85

Section 230.85 Section 230.85 – Add an Exception at the end of Section 230.85 to read as follows: Exception: If the emergency disconnecting means cannot be located in a readily accessible outdoor location, or if the utility metering equipment is located indoors, 1 of the following disconnecting means shall be permitted: 1. A remote disconnecting means provided by the utility 2. An indoor shunt-trip disconnecting means with the control device located in a readily accessible outdoor location and marked, “Remote Emergency Disconnect” 3. An approved equivalent means.

NYC Electrical Code § 230.96

Section 230.96 Section 230.96 – Add a new Section 230.96 to Part VII to read as follows: 230.96 Electrical System Coordination. For systems 1,000 volts and below where the service overcurrent protective device (OCPD) rating or setting is 1200 amperes and above, limited level coordination at 0.1 seconds and above on the time-current curve shall be required between the service OCPD and the next downstream OCPD. For systems exceeding 1,000 volts, full selective coordination shall be required. Informational Note: See definitions for Coordination, Selective and Coordination, Limited Level. Exception No. 1: Coordination shall not be required between 2 OCPDs in series with 1 another when no loads are connected in parallel with the downstream device. Exception No. 2: When the second level OCPD is a single main device having the same ampere rating or setting as the service OCPD, coordination shall be required between the third level devices and the 2 upstream devices. Exception No. 3: When only 1 OCPD is provided on the transformer secondary, limited level coordination shall be required between the transformer primary and secondary OCPD’s and the third level devices.

Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-232028Fetched: 10/24/2026