UL 884
Standard for Underfloor Raceways and Fittings

DETAILS
Edition Number:13SCC Approved:--
Edition Date:2016-05-20DOD Approved: --
Price Code:AANSI Approved: 2016-05-20
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover metal underfloor duct systems designed for use as raceways for the installation of wires and cables in accordance with the National Electrical Code (NEC), NFPA 70 .

    1.2 These requirements do not cover rigid or flexible conduit surface raceways or other products of a similar nature that are covered by individual requirements separate from these requirements.

    1.3 General compliance of underfloor raceway systems in accordance with the construction and performance requirements in this standard shall be determined by a study of an actual installation of the system or a completely representative sample installation.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Undated References
          • 3 Units of Measurement
        • CONSTRUCTION
          • 4 General – System
          • 5 Grounding Continuity
          • 6 Protective Coatings
            • 6.1 Preset inserts and ducts
            • 6.2 Outlet boxes and fittings
          • 7 Duct
          • 8 Preset Inserts
          • 9 Junction Boxes
          • 10 Fittings
          • 11 Duct Supports
        • PERFORMANCE
          • 12 Torque Test
          • 13 Loading Test
          • 14 Grounding Continuity Test
          • 15 Protective Coatings Tests
            • 15.1 Zinc
            • 15.2 Enamel
            • 15.3 Epoxy
          • 16 Rigidity of Cover Test
          • 17 Pull Test
          • 18 Duct Support Test
          • 19 Flame Test
        • MARKINGS AND INSTRUCTIONS
          • 20 Markings
            • 20.1 System
            • 20.2 Duct
          • 21 Instructions
        • EXAMINATION OF FINISHED PRODUCT BY MANUFACTURER
          • 22 General