UL 870
Standard for Wireways, Auxiliary Gutters, and Associated Fittings

DETAILS
Edition Number:9SCC Approved:--
Edition Date:2016-03-03DOD Approved: 1987-04-14
Price Code:BANSI Approved: 2016-03-03
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover wireways, auxiliary gutters, and associated fittings to be employed in accordance with the National Electrical Code, NFPA 70.

    1.2 These requirements do not cover rigid or flexible conduit, surface raceways, underfloor raceways, nor other products of a similar nature that are covered by individual requirements.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Glossary
          • 3 Units of Measurement
          • 4 Undated References
        • CONSTRUCTION
          • 5 General
          • 6 Design
          • 7 Conductor Size
          • 8 Material
            • 8.1 Metal wireways, auxiliary gutters, and associated fittings
            • 8.2 Nonmetallic wireways, auxiliary gutters, and associated fittings
          • 9 Thickness of Metal – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 10 Flanges and Reinforcing Strips – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 11 Openings in Enclosure – Metal Wireways, Auxiliary Gutters, and Associated Fittings
            • 11.1 Connections for wiring systems
            • 11.2 Other openings
          • 12 Covers – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 13 Hinges and Latches – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 14 Expansion Joints and Telescoping Sections – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 15 Supports
            • 15.1 General
            • 15.2 Metal wireways
            • 15.3 Nonmetallic wireways
          • 16 Protection Against Corrosion – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 17 Raintight Wireways
        • PERFORMANCE
          • 18 General
          • 19 Electrical Continuity Test – Metal Wireways, Auxiliary Gutters, Covers, and Associated Fittings
          • 20 Raintightness Test
            • 20.1 General
            • 20.2 Gaskets
          • 21 Metallic Coating Thickness Test – Metal Wireways, Auxiliary Gutters, and Associated Fittings
          • 22 Support Test
          • 23 Ultraviolet Light Exposure – Nonmetallic Wireways, Auxiliary Gutters, and Associated Fittings
        • MARKING
          • 24 General
          • 25 Details