How would you classify voltages above 1 million volts?

Voltages exceeding 1 million volts are typically classified as experimental voltages. This classification is appropriate because such high voltages are generally not used in standard power transmission or distribution systems. Instead, they are usually encountered in research settings, specialized laboratory environments, or unique situations that require extreme electrical conditions for testing purposes.

Unlike low voltages, which generally refer to voltages below a certain threshold used for safe residential and commercial applications, or medium voltages that are applicable in electrical distribution networks (usually in the range of 1 kV to 69 kV), experimental voltages imply a context of exploration and advancement in electrical engineering. Stable voltages refer to consistent and reliable voltage levels, which would not apply to this extreme range as instability could be a concern. Therefore, the classification of voltages above 1 million volts as experimental is fitting given their rarity and the specific conditions needed to manage and utilize them safely.