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.