STATUTORY CLEARANCE – OVERHEAD (OH) LINES

Voltage level From Buildings Above Ground
Vertical
(m)
Horizontal
(m)
Across any
street
(m)
Along any
street
(m)
Other Areas
Bare Insulated
230 & 400 V
(LT)
2.5 1.2 5.8 5.5 4.6 4
11kV 3.7 1.2 6.1 5.8 4.6 4
22kV & 33kV 3.7 2.0 6.1 6.1 5.8 -
66kV 4 2.3 6.1 6.1 6.1 -
110kV 4.6 2.9 6.1 6.1 6.1 -
220kV 5.5 3.8 7 7 7 -
400kV 7.3 5.6 8.8 8.8 8.8 -



Views: 311.