Health Care Facilities

NYC Admin. Code tit. 28, ch. 11, art. New York City Amendments to the 2020 National Electrical Code., art. 517

in effect

NYC Electrical Code § 517.17

Section 517.17 Section 517.17(D) – Add a new Informational Note at the end of Section 517.17(D) to read as follows: Informational Note: Where manufacturer’s instructions are not available for existing equipment with ground fault protection, a qualified person may perform testing and calibration to determine the tripping ground fault current and time delay setting for such equipment.

NYC Electrical Code § 517.26

Section 517.26 Section 517.26(2) – Revise Section 517.26(2) to read as follows: (2) DELETED.

NYC Electrical Code § 517.30

Section 517.30 Section 517.30(B)(2) – Revise Section 517.30(B)(2) as follows: (2) DELETED.

NYC Electrical Code § 517.31

Section 517.31 Section 517.31(C)(3)(1) – Revise Item (1) in the list of items in Section 517.31(C)(3) to read as follows: (1) Nonflexible metal raceways, Type MI cable, or Type RTRC marked with the suffix –XW. Nonmetallic raceways shall not be used for branch circuits that supply patient care areas. Section 517.31(C)(4) – Add a new Section 517.31(C)(4) to read as follows: (4) Generator Control Wiring. Control conductors installed between the transfer equipment and the emergency generator shall be kept entirely independent of all other wiring and shall meet the conditions of 700.10(D)(1).

NYC Electrical Code § 517.32

Section 517.32 Section 517.32 – Revise Section 517.32 to read as follows: 517.32 Branches Requiring Automatic Connection. (A) Those functions of patient care depending on lighting or appliances that are connected to the essential electrical system shall be divided into the life safety branch and the critical branch, as described in 517.33 and 517.34. (B) The life safety and critical branches shall be installed and connected to the alternate power source specified in 517.30(A) and (B) so that all functions specified herein for the life safety and critical branches are automatically restored to operation within 10 seconds after interruption of the normal source. {99:6.7.5.3.1}

NYC Electrical Code § 517.43

Section 517.43 Section 517.43 – Revise the title and first paragraph of Section 517.43 to read as follows: 517.43 Automatic Connection to Life Safety Branch. The life safety branch shall be installed and connected to the alternate source of power specified in 517.41 so that all functions specified herein for the life safety branch are automatically restored to operation within 10 seconds after interruption of the normal source.

NYC Electrical Code § 517.44

Section 517.44 Section 517.44 – Revise the opening paragraph in Section 517.44 to read as follows: 517.44 Connection to Equipment Branch. The equipment branch shall be installed and connected to the alternate power source such that equipment described in 517.44(A) is automatically restored to operation at appropriate time-lag intervals following the energizing of the life safety branch. {99:6.7.5.l.4.2(A)} Section 517.44(B) – Revise Item (3) in the list of items in Section 517.44(B) to read as follows: (3) Optional Connections to the Equipment Branch. Additional illumination, receptacles, and equipment shall be permitted to be connected only to the equipment branch.

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/0-0-0-232418Fetched: 10/24/2026