The APP E LOGS (also available in Windows and iOS - see WFE shop on the Internet) allows the E-craftsmen the main ZVEH testing protocols for initial acceptance and repeat test (E-CHECK) electrical systems and electrical equipment on his Android device to fill and in a PDF file to convert (conversion into PDF only possible with conditional access). In addition, E-PROTOCOLS includes other important records and document templates for the daily work of the e-CRAFTS.