Galvanized Furring Channel works well for routing your HPWC charging cable along walls or ceilings. It's widely available in 12-foot lengths for $5 - http://www.homedepot.com/p/Gibraltar-Building-Products-12-ft-Galvanized-Steel-High-Hat-Furring-Channel-13194/202092934 It's a clean way to route your cable to drop down from above. The cable's long length also lets you mount your HPWC away from your car's charging port to a spot more convenient to your electrical service and/or your garage layout. Just squeeze the Galvanized Channel into a "U" shape by hand and the cable easily snaps in (and out). Cut it with tin snips and mount with screws.