Mac II cable system - suitable for wall and ceiling mounting A cable lighting system is an exceptionally flexible lighting solution because it allows various mounting options. Mac II is also characterised by its versatility, as the system can be mounted on the ceiling as well as on the wall. The cable lighting system also has five movable spotlights that can be aligned as required to provide sufficient light even in large and angled rooms. The spotlights with GU5.3 sockets fit bulbs with a wattage of up to 10 W (not included).