AS/NZS 3008.1.1:2025
Table 3.4
Correction factors for four‑core and five-core cable carrying third harmonic current
On the 2025 edition, the correction factors tool reads the third harmonic correction factor here, Table 3.4.
Verified: read against the printed standard, pages 24. Checked 27 Sept 2026.
Units: Third harmonic percent %, Factor x
These are the values AmpSize encodes. No text of the standard is reproduced. Verify against the current standard.
4 rows
| Band | Min percent | Max percent | Factor (x) | Basis |
|---|---|---|---|---|
| 0–15 % | 0 | 15 | 1 | phase |
| 15–33 % | 15 | 33 | 0.86 | phase |
| 33–45 % | 33 | 45 | 0.86 | neutral |
| > 45 % | 45 | 1 | neutral |