Schedule 2 MINIMUM HEIGHT ABOVE GROUND OF OVERHEAD LINES
Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:
| Column 1 | Column 2 | Column 3 |
| Not exceeding 33,000 volts | 5.8 metres 5.2 metres |
| Exceeding 33,000 volts but not exceeding 66,000 volts | 6 metres | 6 metres |
| Exceeding 66,000 volts but not exceeding 132,000 volts | 6.7 metres | 6.7 metres |
| Exceeding 132,000 volts but not exceeding 275,000 volts | 7 metres | 7 metres |
| Exceeding 275,000 volts but not exceeding 440,000 volts | 7.3 metres | 7.3 metres |