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Standard 797, Edition 9

Electrical Metallic Tubing - Steel

UL CSDS Proposal
Standard 797, Edition 9 Edition Date: July 20, 2018
Summary of Topics b0797_9_20180720_sum.html

Subject 797

Bulletin Dated: July 20, 2018


The following changes in requirements to the Standard for Electrical Metallic Tubing - Steel, UL 797, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Annex A Normative References Update

2. For Preliminary Review Only: Interpretation of Flammability Test Result for a Thin Nonmetallic Topcoat (Outermost Layer) of an Alternate Corrosion Protection System

3. For Preliminary Review Only: Clarification of Elbow and Bend Radius Requirements, Removal of the Term Mandrel, Addition of Exemption for Supplementary Coatings from Bend Test to Better Align with RMC Standard and Editorial Changes

4. For Preliminary Review Only: Removal of Figure 2 and All References to Figure 2

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