Why Is There A Gap Between Telephone Wires?

Why Is There A Gap Between Telephone Wires? Solution: (a) Most telephone wires are made out of copper, which contracts with drop in temperature and hence breaks in winter if it becomes too tight between the poles. (c) The gaps are left between the successive rails for making space for their expansion when there is

What Are The Balls On Powerlines?

What Are The Balls On Powerlines? Marker balls are colorful, spherical markers placed on power lines for the safety of low flying aircraft and to protect the electrical infrastructure. They allow the electrical wires to be noticeable (especially during times of low visibility or inclement weather) thanks to their bold colors. What do red balls