Here’s a picture of a power line with multiple tethers going to the ground.
[Photo](https://imgur.com/a/xF5VleA)
In: Engineering
The cables add needed tension on the pole to support it and keep it in position. They are not powered, only there for support. The yellow covers are to make them more visible so people don’t walk into them.
Due to the tension placed on the various utility lines on the poles, some poles require more support cables.
These support cables are called “guy wires”.
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