Fitting a micro switch on a door of an accident protection device on board the machine, or on an access door of a perimeter fence, prevents the operator from coming into contact with moving parts and, more generally, from invading the areas. of risk or danger through the openings intended for maintenance or for loading and unloading the system during the work cycles. Installing an LED lamp, integrating it into the structure of the aluminum structural profiles of a workstation bench, means improving the ergonomics of the area, reducing operator fatigue, eliminating the bulk of traditional hanging lamp holders.