What is Underground cable?
[[File:Hhu Vorsicht Erdkabel bei AN Bonus.jpg|thumb|Safety sign to indicate a 20 kV underground cable]] An '''underground cable''' is a [[cable]] that is buried below the [[ground]]. They [[Electric power distribution|distribute]] [[electrical power]] or [[telecommunications]]. Such cables are an alternative to [[Power line|overhead cables]], which are several meters above the ground. Overhead cables are often replaced with underground cables. [[Downtown]] areas with many tall buildings usually have few or no cables above ground, This is mainly for [[Aesthetics|aesthetic]] purposes because underground cables can not be seen.<ref name=prelims>{{cite web|url=https://www.netfloorusa.com/blog/how-manage-cables-office |title=Manage Overhead cables |date= |accessdate=29 August 2017}}</ref> They are also less dangerous to people because they are out of the way. They cost more to install, but last longer. It is a bit challenging to identify the fault in underground cable because it is located inside the earth where cannot be seen or accessed by test equipment. Faults are usually one of three different types. They can be [[short circuit]], open circuit, or the breakdown of cable insulation. It required some [https://smtinsight.com/best-transistor-testers/ testers] like Underground [https://smtinsight.com/best-underground-wire-locator/ Wire Locator] to identify the fault ==References== {{reflist}} {{tech-stub}} [[Category:Infrastructure]]