Using an outdated free PDF (like the 1988 version) may miss subsequent amendments, such as those published in 2008 1.2.2 . Importance of IEC 60949 in Electrical Design
Correct calculation ensures that in the event of a fault, the cable insulation does not exceed its maximum temperature rating (e.g., 250° C for XLPE), preventing catastrophic insulation failure 1.2.3. Iec 60949 Pdf Free Download
Your best and safest course of action is to allocate a modest budget to purchase a legitimate copy from the official IEC Webstore or an authorized national reseller. This small investment is a small price to pay for professional integrity, personal security, and the assurance that you are working with accurate, reliable data. Using an outdated free PDF (like the 1988