High Voltage Warning Sign - Electrical Hazard Symbol Explained #207949 (License: Personal Use)

The image shows a universally recognized high-voltage warning sign: a yellow equilateral triangle with a thick black border and a black lightning bolt pointing downward. This ISO-standard symbol is used globally to indicate the presence of potentially lethal electrical voltage, typically above 1,000 volts AC or 1,500 volts DC. It is commonly affixed near transformers, switchgear, power lines, and industrial equipment.

Used on safety signage in industrial facilities, utility infrastructure, construction sites, and public areas near electrical equipment; matches user intent for hazard identification, OSHA compliance, safety training, or technical documentation.