Voltages of 1 million volts or more are classified as what?

Voltages of 1 million volts or more are classified as ultra-high voltage. This classification is important in the context of electrical engineering and power transmission, as it refers to the very high levels of electrical energy that are typically used to transmit electricity over long distances while minimizing losses. Ultra-high voltage systems are often employed in large-scale electricity transportation and can handle the significant demands placed on them due to their ability to reduce losses associated with high current flow.

In contrast, high voltage generally refers to voltages in the range of tens of thousands to several hundred thousand volts, while medium and low voltage classifications apply to lower voltage levels used for various applications, such as distribution to residential and commercial areas. These distinctions are crucial for safety, equipment design, and regulatory compliance in the field of electrical systems.