Measure from the middle of the back of the flat panel to the middle of the equipment rack or stand.
Cut the channel kit, following the measurements. Make the cut(s) using a pair of scissors or saw.
Pop off the cover of the channel kit. Press the cabling leading to the flat panel into the channel.
Remove the film protecting the adhesive strip from the back of the channel kit. Double-check your alignment with the wall and television/equipment rack. Press the channel to the wall.
Snap the channel kit's cover over the lower section housing the wires. Paint or stain the kit, if desired.