UL 797
Electrical Metallic Tubing - Steel

DETAILS
Edition Number:9SCC Approved:--
Edition Date:2007-11-30DOD Approved: 1982-01-25
Price Code:BANSI Approved: 1982-01-25
Type:ulcsance

  • SCOPE

    1 Scope

    1.1 These requirements cover electrical metallic tubing – steel (EMT) and elbows for use as a metal raceway for installation of wires and cables in accordance with CSA C22.1,  Canadian Electrical Code, Part 1, NOM-001-SEDE,  Standard for Electrical Installations, and NFPA 70,  National Electrical Code (see Reference Item No. 1, Annex a). EMT is provided with a zinc, zinc-based, nonmetallic, or other alternate corrosion-resistant exterior coating and an organic or zinc interior coating. It is the users' responsibility to determine the appropriate product for their application.

    1.2 Aluminum electrical metallic tubing is covered by the standards listed in Reference Item No. 2, Annex a.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • UL Harmonized Standard Title Page
    • Table of Contents
      • Electrical Metallic Tubing – Steel
        • 1 Scope
        • 2 Normative references
        • 3 Definitions
        • 4 Units of measurement
        • 5 Construction
          • 5.1 Tube
          • 5.2 Finished tubing
          • 5.3 Protective coatings
          • 5.4 Elbows
          • 5.5 Expanded-end integral couplings
        • 6 Test requirements
          • 6.1 Tube
          • 6.2 Protective coatings
        • 7 Markings
    • Annex A (normative)
    • Annex B (informative)
    • Annex C (informative)
    • Annex D (informative)
    • Annex E (informative)
    • Annex F (informative)