na-adjective
high-voltage; high potential
Technical term used in electrical engineering and physics to describe a high electric potential or voltage.
この装置は高電位の部分に触れないように注意してください。
Be careful not to touch the high-voltage parts of this device.
高電位の回路を設計するときは絶縁が重要だ。
Insulation is important when designing high-voltage circuits.
低電位 is the antonym, meaning 'low potential' or 'low voltage'.
Compound of 高 (high) and 電位 (electric potential).