Electrical energy is permanently present in our daily lives. Electricity is in our homes, on the streets, in our workplaces and also in countless places we frequent periodically. But is this vital fluid a safe energy?Experience and statistics show that it is not. Many fires, electrocutions and burns are due to electricity. In this Technical Document of Prevention we try to locate the electrical Low Voltage (LV) in the different places and daily devices, we try to establish its risks and the preventive measures to minimize the Electrical Risk.