Cables are made out of metals which has the property of expanding on heat and contracting on cold due to elasticity hence they sag during summer
because of heat cables expand
i know someones going to be on this sooooooooo....... they sag because the hydro workers know, from the heat the cbles will sag during the summer, so they start the sag so they cant sag anymore
They can't be designed not to. Large cables and ropes are extremely different to stretch straight, because of their high weight-to-length ratio.
There's little choice. Conductors (not 'cables') sag, because of their weight. However, there's also a practical reason for deliberately allowing conductors to sag; if they were too 'tight', then they would not be able to contract during cold weather without pulling the poles over.
Electricity cables sag in during the day because they expand and elongate as they heat up. The increased temperature weakens the cable's structural integrity, causing it to sag under its own weight. This is a natural response to thermal changes and is managed by engineers to ensure safety and reliability.
Suspension structures are those with horizontal planes (road decks, roofs, and even floors) supported by cables (hangers) hung from the parabolic sag of large, high-strength steel cables.
Suspension structures are those with horizontal planes (road decks, roofs, and even floors) supported by cables (hangers) hung from the parabolic sag of large, high-strength steel cables.
Suspension structures are those with horizontal planes (road decks, roofs, and even floors) supported by cables (hangers) hung from the parabolic sag of large, high-strength steel cables.
Hydro cables are hung with a slight sag instead of being tightly stretched to accommodate thermal expansion and contraction due to temperature changes. This sag helps prevent excessive tension that could lead to cable breakage or damage due to wind, ice, or other environmental factors. Additionally, the slack allows for movement and flexibility, reducing stress on the support structures. Proper sag also helps maintain the cable's electrical properties and safety standards.
sag
SAG
The past tense of sag is sagged.