Why do wires hang loose in summers?

Why do wires hang loose in summers?

Electric cables hang loosely during summer due to the expansion process and they contract during winter due to the contraction process. Explanation: Electric cables are the solids which exhibit the property of contraction and expansion.

Why are electrical wires held loosely from pole to pole?

Electrical wires are made up of copper which is a metal, metals conduct heat and electricity. Because of this phenomena the wire undergoes expansion and contraction every single day, thus if the wires were tightly held in the long run the wires might get snapped because of the contraction it faced.

Why do wires hang loose?

During transmission of electricity, heat is being dissipated. The heat generated by cables is being minimized via high voltage transmission. So, the cables are loose so that even if contraction should occur, there won’t be much tension which would lead to the damage of the cables.

What will happen if electrical wires are pulled tight between the poles during construction?

If they were constructed during winter then they must be constructed loosely as due to cold it would tend to contract. If they were constructed tightly then it would again collapse.

Why cables are left loose?

Why do electrical wires tend to sag in the summer?

In summer – the wires sag because the heat of the sun makes them expand or stretch slightly. In winter the reverse happens – and they become tighter. Why do telephone wires tend to sag in the summer?

Why are telephone wires kept loose in summer?

Give reasons as to why telephone wires are kept slightly loose when they are laid in summer. Give reasons as to why tele… Give reasons as to why telephone wires are kept slightly loose when they are laid in summer. Telephone wires are kept slightly loose when they are laid because heat.

Why are power transmission lines loose on electric poles?

During transmission of electricity, heat is being dissipated. The heat generated by cables is being minimized via high voltage transmission. The effect of weather and the internal temperature of the cable make it necessary to let the cables a little bit loose.

Why do power lines overheat in hot weather?

In hot weather, power lines can overheat just as people and animals do. The lines are often heavily loaded because of increased power consumption, and the conductors, which are generally made of copper or aluminum, expand when heated.