1 Scope

1.1 This Standard covers commercial and industrial plant oil extraction equipment for installation and use indoors in an ordinary (unclassified) locations and hazardous (classified) locations. Based on the application, installation is in accordance with the manufacturer's installation instructions, together with the following, as applicable:

1. a) CSA C22.1, Canadian Electrical Code, Part 1 (CE Code); ULC-S4400, Premises, Buildings and Equipment Utilized for the Cultivation, Processing and Production of Cannabis; National Fire Code of Canada (NFC); and CSA B149.1, Natural Gas and Propane Installation Code; and

2. b) NFPA 70, National Electrical Code (NEC), International Fire Code (IFC), NFPA 1, Fire Code, NFPA 55 Compressed Gases and Cryogenic Fluids Code, and NFPA 58, Liquefied Petroleum Gas Code.

Summary 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