The core activity of the company 'Elektrokontrollen Winterthur' consists of carrying out regular inspections and tests of electrical installations in industrial, commercial and private areas to ensure the safety and functionality of these systems. This includes in particular: Periodic inspections of electrical installations at specified intervals (e.g. 1, 2, 5 or 10 years in industry and commerce, every 20 years in private areas); Acceptance inspections of new electrical installations before handover to the owner or builder; Testing of electrical installations for their functionality and safety; Creation of safety certificates and defect reports; Consulting and informing customers about electrical inspections and installations.