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No. Overhead power lines are not insulated.

Paraguay is one of our market in South America, we TANO CABLE supply a lot of cables and conductors to South America, we recently have a new shipment to Parag

Overhead line (denoted by “A” below)
Underground cable (denoted by “B” below)

Fault location
A Since overhead lines are visible, it is easy to find the location of the fault.
B Since underground cables are not visible, it is difficult to find the location of the fault.

Voltage drop describes how the supplied energy of a voltage source is reduced as electric current moves through the passive elements (elements that do not supply voltage) of an electrical circuit. Voltage drops across internal resistances of the source, across conductors, across contacts, and across connectors are undesired; supplied energy is lost (dissipated).

According to experienced electricians, the average household electrical wire can be used for 10 years under normal conditions.

1What is the armored cable?
Armored cable is a cable with a metal armored protective layer. The purpose of armored layer is not only to increase mechanical prot