Strain relief provide relief to cables to prevent breaking, especially between the connector and the wire. It is an essential electrical accessory designed to guarantee high electrical and mechanical integrity of your electrical system.The common design of strain relief is the overmolded type. In this model, the strain relief is designed as part of the connector and appears like a segmented sleeve on the section of the cable that attaches to the connector. In other instances, especially when the cables and connectors
are designed separately, the strain relief components are sold separately. In such a case, the strain relief is installed over the cable joint and connector. When dealing with networking cables, the strain relief element is referred to as a “boot. In such a situation, you fit the strain relief over the wires and the connected RJ-45. Also, it is important to note that strain relief can also be in the form of wire grips.