Commissioning of Interlockings and conductor rails in SBB's Depot Wolf was successful.
The overhead contact line is connected to earth by means of an earth switch, located immediately behind the gate. Feeding lines at the far end are being earthed by means of traditional earth rods. Running lights warn from live wires. Isolators, earth switch, earthing rods, ladders and anti-fall equipment are interlocked against improper sequence of use and protected with keys.