Rank: Forum user 
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Can anyone tell me where I will find specific legislation on the use of an e-stop with a shroud cover?
Different opinions from our electrical team on whether these should/should not be used to prevent accidental activation and I need a definitive answer.
Thanks
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Rank: Super forum user
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Thomas
Regulation 15 of PUWER and BS EN 60204-1:2006
Basicly you can't
Types of emergency stop device
The types of device for emergency stop include:
– a push-button operated switch with a palm or mushroom head type;
– a pull-cord operated switch;
– a pedal-operated switch without a mechanical guard.
The devices shall have direct opening operation
Hope this is of help
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Rank: Super forum user 
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You'll not find the legislative piece your after, however, depends on what your definition/interpretation of shroud is.
It is common place to see e-stops of the red mushroom head type in the post above with raised metal pieces close by on either side to prevent inadvertant operation yet still be easily 'slapped' in an emergency.
Difficult to describe exactly what I mean but it would look something like this - [ 0 ] if the brackets were stood up like goal posts.
Usually found along areas of high traffic like packing stations/conveyor belts in manufacturing environments
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Rank: Super forum user
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Thomas Take a look at the following link, which you might find useful. As damelcfc rightly states you won't find specific legal reference but this document will show you the relevant standards. http://www05.abb.com/glo...7642f29852575d20068205e/$file/1sxu150186x0201.pdf Jonty
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