Section 5 provides the "temperature rise" formulas. Ensure your CFD (Computational Fluid Dynamics) simulation meets the new altitude de-rating criteria (Section 5.3.2 in the PDF).
Do not rely on second-hand summaries. Obtain the official PDF from S&P Global or Accuris, dedicate a weekend to studying Section 7 (Seismic) and Section 9 (Contamination), and align your engineering validation tests accordingly. gr-63-core issue 5 pdf
For engineers and compliance managers, possessing the is not just about file management—it is the key to certifying hardware for use in major carrier networks (Verizon, AT&T, Deutsche Telekom, etc.). Section 5 provides the "temperature rise" formulas