SightLine RR is a recessed track system suitable for wiring with one or two 20 amp circuits. Tracks can be cut to length in the field, and are mounted by means of heavy-duty hangers that clamp directly to ceiling supports. SightLine RR is specifically designed for intallation in carefully finished sheetrock ceilings employing either half inch thick or 5/8 inch thick sheetrock. Installed, SightLine RR is entirely concealed, presenting only a three quarter inch opening for the insertion of track fixtures.