Disclosed is an exemplary strain relief device. The exemplary strain relief device has a rectangular tubular body having an internal strength member securing section disposed within the cable channel disposed within the rectangular tubular body and a pair of clips disposed on opposite sides of the outer surface to secure the strain relief device into an opening in a standard telecommunication mounting structure. The rectangular tubular body comprises a base and a cover that is attachable to the base. The base of the strain relief device includes an outer surface and an inner surface wherein the inner surface defines a cable channel extending between a first end of the