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Snow piles up thick on the electric wire in the winter.
When the snows become heavy, they fall to the ground.
At this very moment, The electricity failed and an electric wire is down by this shift in weight.
This process is called 'galloping action'
So,I suggest an design to remedy the disadvantage.
This electric wire cross section is raindrop shape.
These cross section have a high angle to shed the heavy layers of snow.
Busan, South Korea