The "Caution High Voltage - Do Not Touch" sign is a crucial safety feature in environments where high voltage systems are installed. Its purpose is to alert people to the potentially life-threatening dangers associated with high voltage. High voltage systems can carry voltages of several thousand volts, which can cause serious injury or even death if touched. Prohibiting touching the equipment is therefore crucial to minimising the risk of electric shock. The sign is intended not only to warn of the immediate danger, but also to raise awareness of the dangers and remind people that high voltage equipment may only be entered or serviced by authorised and trained personnel. The design of the sign is often characterised by striking colours such as yellow and black to convey a clear warning, as well as symbols that make it clear that touching is prohibited. The placement of the sign is usually done in highly visible places near high voltage equipment, such as on fences or gates, to ensure that it is noticed by all persons who might be near the danger zone. In industrial plants, substations, construction sites or near electrical lines and transformers, such warning signs are essential to ensure the safety of workers, visitors and the public at large. Violation of the no touching sign can not only result in serious physical harm but also result in legal consequences. Therefore, it is of utmost importance that such warning signs are well maintained and regularly checked to ensure their effectiveness. Overall, signs such as "Caution High Voltage - Do Not Touch" go a long way in raising awareness of electrical safety hazards and preventing accidents that could be caused by improper handling of high voltage equipment.