My impression all along has been that the likelihood of a product being
placed in great numbers into domestic establishments is what defines Class
D. Commericial television sets and personal computers fit this definition
very well, thus their specific mention in the standard. They certainly may
I believe they are Class D because of the huge quantities of these products
in circulation. I kind of makes sense, millions and millions of PCs and
televisions hooked up to the mains are going to cause far more harmonics
havoc than a low volume product such as an HP harmonics analyser (because
no
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