Electricity is both our friend and enemy. It is our friend if we are aware of its dangers and know how to handle it properly. When working with electricity, safety is of utmost important. The best defence is always when its not there. Always ensure that working on a live equipment should be avoided. If this is not possible, then safety procedure should be in-placed before proceeding to work on live equipment.
Electricity is our enemy if don't know what we are doing. If we are not qualified to do works related to electricity, do not even think going near it.
To illustrate the dangers of electricity, here are some incidents of electrical burns proving that electricity could endanger our lives.