AS/NZS 3008.1.2:2017
Table 28(1), 28(2)
Rating factors for depth of laying
The cable size and correction factors tools read the factor for how deep the cable is buried. It applies only to buried cables.
已核验:对照印刷版标准阅读,页码 89。检查于 24 Sept 2026。
单位:Depth m
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。
10 行
| Depth (m) | Buried direct up to 50 | Buried direct 50 to 300 | Buried direct over 300 | Underground enclosure single core | Underground enclosure multicore | Factor |
|---|---|---|---|---|---|---|
| 0.5 | 1 | 1 | 1 | 1 | 1 | 1 |
| 0.6 | 0.99 | 0.98 | 0.97 | 0.98 | 0.99 | 0.99 |
| 0.8 | 0.97 | 0.96 | 0.94 | 0.95 | 0.97 | 0.97 |
| 1 | 0.95 | 0.94 | 0.92 | 0.93 | 0.96 | 0.95 |
| 1.25 | 0.94 | 0.92 | 0.9 | 0.9 | 0.95 | 0.94 |
| 1.5 | 0.93 | 0.91 | 0.89 | 0.89 | 0.94 | 0.93 |
| 1.75 | 0.92 | 0.89 | 0.87 | 0.88 | 0.94 | 0.92 |
| 2 | 0.91 | 0.88 | 0.86 | 0.87 | 0.93 | 0.91 |
| 2.5 | 0.9 | 0.87 | 0.85 | 0.86 | 0.93 | 0.9 |
| 3 | 0.89 | 0.86 | 0.83 | 0.85 | 0.92 | 0.89 |