Greetings All, 

To meet UL60950:2000 Third Edition and CSA C22.2 No 60950:2000 Third Edition,
is it a mandatory requirement that the electric shock symbol and cautionary
symbol markings be black lettering on a yellow background? Or is the intent is
to have the markings with a high contrast, by using alternate colors, such as
black lettering on a white background. 

Specifically these are the symbols from the ISO Publication ISO 3864, No.
B.3.6 for the electric shock symbol and No. B.3.1 for the cautionary symbol.
Since at this time we don't have the ISO publication, does the publication
allow for alternate colors of contrast?

Does UL60950 and CSA C22.2 No 60950 allow the use of IEC 60417 for such
symbols with contrasting colors for lettering and background?

A more general question to keep this thread on more general terms - 
For safety requirements, are there specific color codes that one must adhere
to for specific symbols? Or is it enough to show a high contrast between
lettering and background for such symbols?

Thanks in-advance. 

Richard 
===== 
Richard Georgerian 
Compliance Engineer 
Carrier Access Corporation 
5395 Pearl Parkway 
Boulder, CO 80301 
USA 

Tele: 303-218-5748      Fax: 303-218-5503              
mailto:[email protected] 




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