Re: [PSES] Red and Green lights on machinery

In addition to Mike Sherman’s comments, the selected colours are long deprecated. Red and Green have not been supported in the standards for over twenty years for these purposes. The designers need to read NFPA 79 or IEC 60204-1 or EN 60204-1, focusing on the tables that define suitable colours

Re: [PSES] Red and Green lights on machinery

In my opinion, this arrangement may likely confuse the user. Reason: lights are typically used as status indicators---green for on, and red for stopped. This reverses that logic and might well confuse the user. See NFPA 79 or EN IEC 60204-1 for typical color codes for machinery. In my recoll

[PSES] Red and Green lights on machinery

Greetings to all. We are working on a motor driven machine that would be used in a commercial, industrial, and light industrial environment. The machine has a Green button to Start, and a Red button to Stop. These buttons are illuminated. Other than the e-stop, these are the only operator contr