Suspension Trauma Explained: What Really Happens After a Fall
And what some common fall protection training still gets wrong.
Knowledge Center
Field Insights
Articles from the field: equipment explained, standards in practice, and answers to real questions on working at height.
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Do Safety Harnesses Expire? What Actually Takes a Harness Out of Service
A full body harness has no universal expiration date. OSHA and the ANSI/ASSP Z359.11 harness standard set none, some manufacturers do, and inspection and the harness’s history decide the rest.
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Dorsal D-Ring Position: Where It Belongs and Why It Matters
The back D-ring is the primary fall arrest attachment on a full body harness, and where it sits when worn affects how a worker is held in a fall.
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How to Calculate Fall Clearance: Total Fall Distance Explained
A six-foot lanyard does not mean a six-foot fall, and adding up the full distance before you tie off is how you confirm there is room for the system to stop you before you reach the level below.
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Twin-Leg Lanyards and 100% Tie-Off: Staying Connected Through Every Move
A twin-leg lanyard lets a worker stay connected while moving between anchorages, and it performs as tested only when both legs are connected, moved, and stored the way the manufacturer intends.
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ANSI/ISEA 121: How Dropped Object Equipment Is Tested and Labeled
The dropped object standard sets how tethers, attachments, and containers are tested and labeled, and knowing what it covers helps buyers compare products on equal terms.
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9-1-1 Is Not a Rescue Plan: How to Plan for Fall Rescue
Arresting the fall is only half the job, and getting the worker down safely is the half that has to be planned before the work begins.
