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DO NOT LOOK AT THE ECLIPSE WITHOUT PROPERLY RATED SOLAR FILTERS. NORMAL SUN GLASSES ARE NOT RATED FOR LOOKING DIRECTLY AT THE SUN.


 
The biggest issue seems to be protecting the eyes.  Unless people have specific eyewear with solar filters I would say that they should not look directly at the sun at any time during the eclipse.  Regardless of an eclipse, you should never look directly at the sun without using a safe solar filter. Regular sun glasses will not suffice but regular sun glasses are not meant for looking directly at the sun anyway.
 
http://www.cnn.com/2017/08/10/health/how-to-safely-watch-the-eclipse/index.html   here is an article from CNN which is really informative.
 
So in short – there is no danger working outside like you normally would. The danger comes from the temptation to look up at the sun because of the sudden darkening and that is when damage can happen without properly rated solar filters covering your eyes.