Doesn't comply with the current standard, as the direction of rotation to reset is not provided.

I suspect it doesn't latch off, so doesn't need to be reset - rather like the ones we had in the metal workshop at school when I were a lad - you just had to find a separate green button to turn things on again.

   - Andy.

I believe motor starter controls are now marked '0' for 'off' or 'stop' and '1' for 'on', coloured red and green.

" that, under the old BS 5499-5, which was withdrawn in 2011, the sign had a red background. Under BS EN ISO 7010 that replaces it, the sign has a green background, aligning with the concept of 'green indicates the safe way or safety/emergency procedure' like emergency exits, first aid signs, assembly points and RVPs, etc,"

So on a motor starter it often has a green button for on  and a red button for off. Green for GO or green for safe? A conflicting situation.

Motor Starters | DOL & Star Delta Starters | RS (rs-online.com)

Z.

" that, under the old BS 5499-5, which was withdrawn in 2011, the sign had a red background. Under BS EN ISO 7010 that replaces it, the sign has a green background, aligning with the concept of 'green indicates the safe way or safety/emergency procedure' like emergency exits, first aid signs, assembly points and RVPs, etc,"

So on a motor starter it often has a green button for on  and a red button for off. Green for GO or green for safe? A conflicting situation.

Motor Starters | DOL & Star Delta Starters | RS (rs-online.com)

Z.

Zoomup said:

So on a motor starter it often has a green button for on  and a red button for off. Green for GO or green for safe? A conflicting situation.

that follows the principles of BS EN 60073, for "operating, no fault". Safety signs also align with this standard.

A good summary of colour vs safety meaning vs condition/state of equipment meaning is provided by an indicator manufacturer here: https://beaconlamps.com/index.php/download_file/view/704/152/

Safety signs usually are taught with H&S courses in the workplace - I guess we could also say that self-employed persons have the same duties to inform themselves in the way an employer informs their employees about safety signs.

But I don't see a lot of awareness in the industry - outside those who deal directly with industrial controls and machinery - about BS EN 60073.