§ 760.52

Section 760.52

Section 760.52 – Add a new Section 760.52 to read as follows: 760.52 NPLFA Mechanical Execution of Work. Installation shall comply with the following: (A) Mechanical Rooms, Elevator Rooms, Garages and Loading Docks. All wiring installed up to 3 ft (2.4 m) above the finished floor in garages, loading docks, mechanical rooms, and elevator rooms shall meet the installation requirements of Article 344. All wiring installed over 8 ft (2.4 m) above the finished floor shall meet the installation requirements of Articles 332, 342, 344, or 358. Where flexibility is required after installation, Flexible Metallic Conduit (FMC) or Liquidtight Flexible Metallic Conduit (LFMC) shall be permitted up to 36” at the last termination. Exception No. 1: For mechanical rooms and elevator rooms having a floor area of less than 900 square feet (83.6 square meters), installation pursuant to Articles 332, 342, 344, or 358 is permitted without height limitation. Exception No. 2: Where pathway survivability is required, a listed electrical protective system with minimum 2-hour fire rating shall be permitted. (B) Installation. Installation of raceways, boxes, enclosures, cabinets, and wiring shall conform to the following requirements: (1) Covers of boxes, enclosures, and cabinets shall be painted red and permanently identified as to use. (2) Penetrations through rated walls, ceilings, and floors shall be fire stopped. (3) Raceways or wiring shall not penetrate the top of any control equipment cabinet or enclosure. (4) Raceways shall not be installed in stairs enclosures unless they are serving the stairways. Informational Note: Refer to Chapter 10 of the New York City Building Code for raceway requirements allowed in stairs enclosures.