Precaution Signs

OSHA Electrical saftey maybe would have to look up pub number.

You could also try your States Department of Building Saftey or Department of Fire Prevention and Electrical Saftey

also NEMA/IEEE standards may be avalible.

http://rswww.com/cgi-bin/bv/rswww/searchBrowseAction.do?N=4294564069&forwardingPage=browse&name=SiteStandard&obs=bObs&callingPage=/jsp/browse/browse.jsp&BV_SessionID=@@@@0300987578.1171456363@@@@&BV_EngineID=ccccaddkedjimgfcefeceeldgondhgh.0&cacheID=ukie&Nr=avl:uk

TRY THIS LINK TO ISO PUBLICATIONS

http://www.iso.org/iso/en/CombinedQueryResult.CombinedQueryResult?queryString=ISO+3864+

Back in 1965 I found this as the warning sign on the back of high powered transmitters, where un authorized tinkering was a sure death:

Try this site

http://www.segno.co.nz/segno.asp

You can refer to the International Safety Standard, in order to have a standard of all precautions and safety signs.

Once you find out what you want, you can buy them here.

http://www.labsafety.com/store/Signs_-_Labels_-_Tapes/Signs/

Here is another good source:

http://www.safetylabel.com/