0
Why are the cables of the national grid are above the ground and not buried underground?
Wiki User
∙ 12y ago
undergroud cables would be:
-much more expensive
-much more difficult to repair
-difficult to bury where they cross canals, rivers and roads.
also, overhead cables are high above the ground, underground cables could affect people more because the cales wouldn't be very deep
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What is underground wiring system?
A system of installation wiring in which cables are buried in soil, either directly or in a wiring enclosure beneath the surface of the ground in accordance with the appropriate requirements of this standard.
What is underground power transmission?
power cables under ground rather then overhead.
Is walking over underground cables dangerous?
not at all!the ground is fully filled with concrete so its very safe
Why are earth's metals deep underground?
Because Asteroids Hit earth and the minerals go into the ground or get buried deep into the sea . The minerals the grow underwater and deep underground .
How are Badlands National Park and Wind Cave National Park different?
The Badlands are above ground and Wind Cave in underground.
Why you think electricity in towns is carried by underground cables?
For esthetic purposes and the process for putting them above ground on private or public land is cumbersome.
What is underground cable?
I think you are referring to the practice of burying cables underground, rather than stringing the wires on poles above the ground. The reason some people (and some countries) prefer to place the cables underground is that when there is a bad storm, like a hurricane, people won't lose power because the cable won't be blown down by the wind. Burying cable underground is expensive, however, and as a result, many cities continue to have telephone wires and cable above ground, attached to poles.
What is the answer to the riddle ground feet feet feet feet feet feet?
Six feet underground. This usually refers to someone who is buried.
What is burial wire?
It is a wire with special insulation that protects it under ground. On the wire there will be a stamp "UF" or underground feeder. That means that it can be buried directly in the earth.
What is wiring system?
A system of installation wiring in which cables are buried in soil, either directly or in a wiring enclosure beneath the surface of the ground in accordance with the appropriate requirements of this standard.
What is burial and compaction?
When something is buried underground, the pressure of the ground on top of it will tend to compact it, which is to say, press it together so that it becomes smaller, or more compact.
What is direct burial wire?
It is a wire with special insulation that protects it under ground. On the wire there will be a stamp "UF" or underground feeder. That means that it can be buried directly in the earth.
