Standard: Western Power Company.
Water Safely Clearance on Electrical Fires:
Voltage
| Minimum distances between a nozzle producing a fog stream of fresh water and a live conductor |
Up to 750 V |
1.5 Meter
|
750 V to 15 KV |
4.0 Meter
|
15 KV to 230 KV |
5.0 Meter
|
Minimum Approach Distance for Authorized Person:
This is the minimum distance that must be maintained by a person, vehicle or mobile plant.
Voltage
| Distance (min) |
Up to 1 KV |
0.7 Meter
|
1 V to 6.6 KV |
0.7 Meter
|
6.6 KV to 11 KV |
0.7 Meter
|
11 KV to 22 KV |
0.7 Meter
|
22 KV to 33 KV |
1.0 Meter
|
33 KV to 66 KV |
1.0 Meter
|
66 KV to 132 KV |
1.2 Meter
|
132 KV to 220 KV |
1.8 Meter
|
220 KV to 330 KV |
3.0 Meter
|
Minimum Approach Distance for Ordinary Person:
Voltage
| Distance (min) |
Up to 1 KV |
3.0 Meter
|
1 V to 6.6 KV |
3.0 Meter
|
6.6 KV to 11 KV |
3.0 Meter
|
11 KV to 22 KV |
3.0 Meter
|
22 KV to 33 KV |
3.0 Meter
|
33 KV to 66 KV |
3.0 Meter
|
66 KV to 132 KV |
3.0 Meter
|
132 KV to 220 KV |
4.5 Meter
|
220 KV to 330 KV |
6.0 Meter
|
Minimum Approach Distance for Vehicle & Plant for Ordinary Person:
Voltage
| Distance (min) | |
Mobile Plant | Vehicle | |
Up to 1 KV |
3.0 Meter
|
0.6 Meter
|
1 V to 6.6 KV |
3.0 Meter
|
0.9Meter
|
6.6 KV to 11 KV |
3.0 Meter
|
0.9Meter
|
11 KV to 22 KV |
3.0 Meter
|
0.9Meter
|
22 KV to 33 KV |
3.0 Meter
|
0.9Meter
|
33 KV to 66 KV |
3.0 Meter
|
2.1 Meter
|
66 KV to 132 KV |
3.0 Meter
|
2.1 Meter
|
132 KV to 220 KV |
3.0 Meter
|
2.9 Meter
|
220 KV to 330 KV |
6.0 Meter
|
3.4 Meter
|
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