Clearances from aerial lines—nonflammable materials
21 Clearances from aerial lines—nonflammable materials
This section does not apply to a structure to which section 19 applies.
A person must not, without reasonable excuse, place or keep any nonflammable material too close to an aerial line.
Maximum penalty: 10 penalty units.
Nonflammable material is too close to an aerial line if, at any time—
any part of the material is vertically below the line and within the minimum distance from any part of the line worked out in accordance with table 21, item 1; or
if the material is not vertically below the line—any part of the material is within—
the minimum horizontal distance, worked out in accordance with table 21, item 2 from the vertical projection below the line; and
the minimum vertical distance, worked out in accordance with table 21, item 1 below the horizontal projection from any part of the line.
Table 21
| column 1 | column 2 | column 3 | column 4 | column 5 | column 6 |
| direction in which minimum distance must be observed | minimum distance from insulated aerial cable or insulated aerial service line, where- U 1 kV | minimum distance from aerial conductor or covered aerial cable, where- U 1 kV | minimum distance from aerial conductor or aerial cable, where- 1 kV < U 33 kV | minimum distance from aerial conductor or aerial cable, where- 33 kV < U 132 kV | |
| 1 | vertical projection below the aerial line | 2.7m | 3.7m | 4.6m | 5.0m |
| 2 | horizontally, from any point of the vertical projection below the aerial line | 1.5m | 2.0m | 2.7m | 3.0m |
Note Symbols used in table 21 are defined in the dictionary.
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