Safety
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Behaviour in the case of voltage flashover of overhead lines
High electric voltage may be applied to electrically conducting parts of the machine due to
voltage flashover. In case of voltage flashover, a voltage drop where major voltage differences
are present is created on the ground around the machine. Due to major voltage differences in
the ground, people may be killed by electric shocks when making big steps, laying on the
ground or supporting themselves with their hands.
• Do not leave the cabin.
• Do not touch metal parts.
• Do not make a conductive connection to earth.
• Warn people: Do not approach the machine. Electrical voltage differences on the ground
may lead to severe electric shocks.
• Wait for help from professional rescue teams. The high-voltage line must be switched off.
If people have to leave the cabin despite the voltage flashover, for example because there is an
imminent danger to life due to fire:
• Avoid simultaneous contact with machine and ground.
• Jump away from the machine. Jump into a safe standing position. Do not touch the machine
from the outside.
• Move away from the machine with very small steps. In doing so, make sure that your feet
are close to one another.
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