AS/NZS 3000:2018
Cl 5.3.3.1.3 Note 1
K values for the protective earthing conductor adiabatic equation
The earthing tool reads the k factor for the earthing conductor material and insulation. The factor sets the size the adiabatic equation returns for the fault current and time.
已核验：对照印刷版标准阅读，页码 277–278。检查于 26 Sept 2026。
单位：K A·s^0.5/mm2
这些是 AmpSize 所编码的数值。不转载标准原文。请依据现行标准核对。
2 行
| Kind | K (A·s^0.5/mm2) |
|---|---|
| pvc-copper | 136 |
| bare-copper | 170 |