The electrical trade is the classic user of standards that acts as an intermediary between manufacturer, operator and consumer in the fields of planning, service and maintenance. The VDE publishing house offers special assortment folders for the electrical trade in order to make it easier to directly apply the specific standards for the electrical trade. In addition, the VDE is available to the trade for general safety questions and for questions concerning the application of standards. Especially the free-of-charge phone service of the DKE offers support.