Summary of Topics u573_1_20240816_sum.htmlSummary of Topics
The revision of CAN/ULC 573 dated August 16, 2024 includes the following changes in requirements:
– Audio/visual control system shutdown; 10.1.1, 10.1.2, 10.1.3, and 12.1.1
– Fire Pump supervisory signal clarification; 16.1.4
– Include ERCES requirements in CAN/ULC-573; Clause 2, 3.0A, 3.1A, 3.1B, 3.22A, 3.25A, 3.27A, 3.42A, Clause 20A, 20A.1, 20A.1.1, 20A.1.2, 20A.2, 20A.2.1, 20A.2.2, 20A.2.3, 20A.2.4, and 20A.2.5
– Connecting high voltage ancillary circuits to a supporting field device; 5.4.15