What basic knowledge is required for attending a digitalSTROM training? digitalSTROM Support September 20, 2018 14:02 Updated Follow Every electrician is able to complete the digitalSTROM course successfully. For a list of training partners please refer to our partner page. Related articles How long does a digitalSTROM training course take? What is the price for a digitalSTROM training course or certification? What if there is no internet available in the fuse box? Can I control digitalSTROM by voice commands? What is the maximum cable length?