5
MANUAL DE USUARIO PARA TORRES FT. / USER MANUAL FOR FT TOWERS
Figure 13
Do not stand under the load. The load must be
secured to the tower in order to prevent that the load
cannot fall down.
Figure 14
Verify that the tower is beyond the reach of power
lines.
The tower is not electrically insulated and can
transmit currents of power lines.
On the following table is recommended the average
length between the highest part of the structure and
the power lines.
Voltage
Min. distance
Between phases
Meters
Feet
0 a 230v
1.5
4.92
230v a 400v
2.8
9.19
400v a 50Kv
3.4
11.15
50Kv a 200Kv
4.9
16.08
200Kv a 350Kv
6.5
21.33
350Kv a 500Kv
8.2
26.90
500Kv a 750Kv
11.3
37.07
750Kv a 1000Kv
14.2
46.59
Figure 15
Not use the tower as welding mass.
If necessary, use the grounding placed on the base.
Figure 16
Not lift a load if there is danger of collision. Take at
least 1.5 meters on any direction to lift safety the
load.
