Summary of Topics s1389_1_sum.htmlSummary of Topics
This revision of ANSI/CAN/UL/ULC 1389:2020 includes the following changes:
– UL 1389 Clarifications; 1.2, 1.8, Section 6, 12.2, 14.1.5, 14.3.3A, 16.1, 19.1.3, 21.1.1, 24.2.1 – 24.2.4, 25.1, 26.1, 26.4, 27.2, 27.3, 28.3, 30.7, 33.1, Table 34.1, 48.1
– Area Classification; 7.5, 47.6
– Addition of Referenced UL 508A; 7.6
– Addition of Optional Shutoff Valve; 14.5.3
– Revisions to Clause 20.3 and 20.3A
– Clarification on Corrosion; 20.5
– Addition of New Sections 18A – 18H
– Removal of Reference to Oil in Clause 22.2
– Clarification of Operating Pressure; 8.7 and 26.2
– Revisions to Section 28, Mechanical Strength Tests for Sight Glass
– Revisions to Section 46, Permanence of Marking;
– Revisions to Section 47, Manual
– Revisions to Construction Section 48