: It establishes how much heat a conductor, screen, or metallic sheath can handle before insulation degrades.

: Many universities and corporate engineering firms provide free access to employees and students through enterprise library portals like IEEE Xplore or Techstreet.

Standards are periodically updated or amended. Using an outdated version can lead to dangerous engineering calculation errors.

Even a robust standard like IEC 60949 has practical limitations that engineers must be aware of.