The core activity of PrüfXpert GmbH is the performance of electrical inspections and tests, particularly in the control of electrical installations according to the Low Voltage Installation Ordinance (NIV) in the canton of Zurich and its surroundings. This includes visual inspections, measurements and functional tests of electrical systems, such as lighting and power outlets, kitchen appliances, heating systems, photovoltaic systems and electric charging columns, to ensure that they comply with the current Swiss standards and laws.