Electrical Safety Clearance (Western Power Company,Australia) (Part-6)
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 |