: Unlike the dual role of the 60439-1 as both a product and general rules standard, the newer IEC 61439-1 serves strictly as a "general rules" document, while specific products like power switchgear are now covered under IEC 61439-2 .
The "Partially" tested category left too much room for interpretation and potential safety gaps. Verification: The new standard, iec 60439-1 standard pdf
Assemblies containing a mix of type-tested and non-type-tested arrangements, often verified through calculations. : Unlike the dual role of the 60439-1