Embodiments of the invention provide a mat upon which can be placed an electronic device. A cable is routed through a channel that is at least partially inside the mat. One end of the cable connects to the electronic device while the other end can exit the mat through, for example, an opening in the mat's edge, or other opening. Multiple devices and cables can be accommodated. Figures provided herein illustrate different types of mat and channel designs. Other designs are possible.