Differences Between: Working Load Limit (W.L.L.) vs Safe Working Load (S.W.L.)

WLL and SWL are abbreviatons for Working Load Limit (WLL) and Safe Working Load (SWL). The main difference between the two terms is that SWL is the older term. Today, SWL isn’t used anymore because the term is completely replaced with WLL and MRC. MRC stands for Maximum Rated Capacity.

For more information on the topic of Working Load Limit you can download the document here.