AS/NZS 3000:2018
Table 3.6
Underground wiring systems minimum depth of cover
The underground cable tool reads the minimum depth of cover for the category and the location.
Kua manatokotia: pānuitia ki te paerewa tā, whārangi 197. I tirohia 26 Sept 2026.
Ngā unit: Cat A mm, Cat B mm, Cat C mm
Ko ēnei ngā uara e tuhia ana e AmpSize. Kāore he kupu o te paerewa e tuhia ana. Whakamanahia ki te paerewa o nāianei.
4 rārangi
| Location | Covering | Cat A (mm) | Cat B (mm) | Cat C (mm) |
|---|---|---|---|---|
| within-building | concrete-75 | 0 | 0 | 0 |
| within-building | none | 500 | 500 | 50 |
| elsewhere | concrete-75 | 300 | 300 | 50 |
| elsewhere | none | 500 | 500 | 50 |