The TVOC-2-DP60 Detector Cable 60 m is a key accessory to the TVOC-2 Arc Guard System. The detectors are installed in the switchgear panels to monitor for any unwanted arc flashes. The detectors consists of a fibre optic cable connected to a lens that can detect light in a 180 degree angle at distances of 3 m, depending on the light intensity. It can only be used with the extension unit TVOC-2-E3.