Electricity requires a lot of precautions. This implies prevention, and the bets way to do prevention is to identify the different dangers.
When it comes to electrical panels, it is important to highlight any risk. The signage of these risk needs to be precise and permanant, which makes laser engraving a perfect solution.
To identify the voltage and current of an electrical appliance, to clearly label levels on a potentiometer or simply to permanently label breakers. With laser engraving, you will never have to decipher a torn label again.