A symbol for high voltage, as warns against injury from electricity. Depicted as a jagged yellow bolt.
Commonly used to represent lightning, electricity, and various flashes. Also used to represent metaphorical energy and signal attention online.
Samsung’s bolt was previously white on a blue square, as an icon for high voltage.
High Voltage was approved as part of Unicode 4.0 in 2003 under the name “High Voltage Sign” and added to Emoji 1.0 in 2015.