SRL Class 1 vs Class 2: The ANSI Z359.14-2021 Classes Explained
ANSI/ASSP Z359.14-2021 replaced the Class A and Class B self-retracting lifeline labels with Class 1 and Class 2 on August 1, 2023, and changed what the class measures: anchorage position, not stopping distance. Covers both classes side by side, why Class A does not convert to Class 1, and how edge rating differs from class.
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