Electricity is a powerful and unavoidable force in our modern lives. It powers our homes, businesses and critical infrastructure. However, with this power comes the need to protect it, both to ensure the safety of people and the durability of our electrical equipment. Electrical protection equipment, such as inverters in particular, interactive online, voltage regulators, isolation transformers and surge protectors, play an essential role in this protection. In this article, we will examine each technology and the benefits it offers.