Summary of Topics s50E_3_sum.htmlSummary of Topics
This new edition of ANSI/UL 50E dated October 15, 2020 includes the following changes in requirements:
Adhesives Used to Secure Observation Windows; 7.1.1, 7.1.3, 7.1.4, Annex B
Alternate Investigation to Tensile Strength and Elongation Test for Gaskets; 7.7.1, Section 8.13.5
Clarification of Additional Corrosion Protection; 7.2.1.1
Expand Eligible Grades of Austenitic Stainless Steel in UL 50E; Title of Section 7.2.3, 7.2.4.1, 8.8.1.1, 8.8.2.1.1, Section 8.9
Alternative Aging for Gasket Tensile Strength and Elongation Tests; 8.13.2.1, 8.13.2.2
Allowance of X Ray Spectrometry for Metallic Coating Thickness Test; 7.2.3.1, Annex B
Allowance for Type Rated Ventilated Enclosures; 7.3.1.1, 7.3.5.1, 7.4.3.2, 7.5.1, 8.1.2, 8.4.1.1.1, 8.4.2.1.1.2, 8.4.2.2.1.1, Table 1, Table 2, Table 6
Orientation of Sample for Hosedown Test; 8.4.1.2.1 – 8.4.1.2.3, 8.6.1 – 8.6.3
Length of Conduit for Misalignment Test; 8.15.1.2, 8.15.1.3
Required Torque for Conduit Hubs for Misalignment Test; 8.15.1.1
Sealants Used with Enclosures; Sections 7.8 and 8.17
New Annex E for Adhesives, Enclosures, Non-mechanical Means of Securement; Annex B
Requirements for Encapsulated Enclosures; Annex F
Typo Correction in Table 4