Fluctuating voltage is the constant enemy of electrical and electronic equipment. It can reduce operating efficiency, increase maintenance costs, damage expensive electronics and cost you plenty in the process. All electrical equipment is designed to operate at a specific voltage. Unfortunately, input voltage does not always remain constant. While you can operate most electrical equipment over a wide range of input voltage, you do so at the sacrifice of life, economy or optimum performance - or all three. Modern electrical equipment is much more sensitive to voltage variations than electrical equipment of the past, and therefore more vulnerable to damage. General Electric INDUCTROL ® voltage regulators supply a constant voltage tailored to your equipment. They actually sense inadequate or excessive voltage and quickly make uninterrupted corrections automatically. No need to calculate impedance between source bus and the INDUCTROL - the INDUCTROL maintains the voltage to the load.