16 September 2012

Electrical safety clearance 2



 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 PlantVehicle
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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