Summary of Topics b0797_9_20190215_sum.htmlSubject 797
Bulletin Dated: February 15, 2019
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Electrical Metallic Tubing - Steel, UL 797, are being proposed:
1. Annex A Normative References Update
2. Interpretation of Flammability Test Result for a Thin Nonmetallic Topcoat (Outermost Layer) of an Alternate Corrosion Protection System
3. Clarification of Elbow and Bend Radius Requirements, Removal of the Term Mandrel, Removal of Figure 2 and Addition of Exemption for Supplementary Coatings from Bend Test to Better Align with RMC Standard and Editorial Changes