Good info everyone. A few additions. I attached an E.U. label. They even show kilo-Joules of energy in addition to kilo-calories. FYI for all, a Joule of energy is a watt-second. Good luck with the “diet math” The good news, regarding any live working and PPE standards for the IEC, calories (lower case c) is all we need.
Global standardization is still evolving. There was a similar problem years ago with conductor sizes and some people still get tripped up. As an example, 500 MCM was commonly used. cm is the unit of measure in circular mils which we still use but “M” was a throwback to using roman numerals where M = 1000. Finally, this was changed to “k” for kilo and now we have kcm or 500 kcm which is easier to relate to. Although we adapted to “k”, cm isn’t widely used globally.
The working distance has been listed as mm in IEEE 1584 since it was published in 2002 and is a bit awkward. However, there is a column for inches as well. cm – centimeters, not to be confused with cm - circular mils would be much better. The next edition of IEEE 1584 which is rapidly nearing completion also has mm and inches.
Hugh, I hope we both have a ways to go before “geezerdom”. I have a couple of years on you but so many people within IEEE, IEC etc. are well into their mid and late 60’s and 70’s (a few pushing 80) so for now I will hang on to my “youth”. ...although I mentioned a french curve in a class a couple of years ago and got a blank stare by about 2/3 of the group. The older I get, the more my definition of “old” keeps changing.
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