Voltage stabilizers are electrical devices designed to maintain a constant voltage level for connected equipment or appliances, despite fluctuations in the input voltage. They are essential for safeguarding sensitive electronics and machinery from damage caused by overvoltage or undervoltage conditions. Voltage stabilizers come in various types, including relay-type stabilizers, servo stabilizers, and solid-state stabilizers, each with specific characteristics and benefits. These devices play a crucial role in ensuring the smooth, uninterrupted operation of electrical and electronic equipment in both residential and industrial settings.