Nearly eight years ago, in its Z359.14 Safety Requirements for Self-Retracting Devices standard, ANSI divided self-retracting lifelines (SRLs) into two classes, Class A and Class B. Although it’s been close to a decade, there is still some misunderstanding as to what these classes mean.

RoofTop Freestanding Counterweight Anchor. This rooftop anchor does not require attachments to a working surface and provides a safe and versatile fall arrest tie-off point. A swiveling D-ring integrated into the assembly allows the worker to move freely 360°.