Power Cables

Types of Electrical Power Cables - By Joe Audio

, by Haim Deutsch, 3 min reading time

Introduction of Power Cables

The term "electrical power cable" refers to the cable that is used for the transmission and distribution of electrical power.

It is used to transmit high voltages in locations were using overhead wires is impracticable.

Three basic parts make up a power cable: a conductor, a dielectric, and a sheath.

The conductor gives the current in the cable a path for conducting.

The dielectric or insulation shields the live conductor from extraneous things and can sustain the service voltage.

The sheath shields the cables from outside influences, including fire and chemical or electrochemical attacks.

It also prevents moisture from entering.

Power Cables: Important Information You Should Know

● Aluminum and copper are not necessarily superior conductors.

Many people think that copper is always a far better electrical conductor than aluminum and that is incorrect.

There are numerous considerations that must be made when determining which of these two metals makes a superior conductor.

The most crucial of these is that conductivity with respect to cable wires depends on both the size of the cables and the type of insulation used, rather than just the measure of resistance.

Therefore, using aluminum cables rather than copper ones becomes more cost-effective when using highly high voltages over long distances.

● The cable's current capacity is unstable and is impacted by a variety of factors.

People frequently mention the potential that their existing cable capacity won't change in the future.

By the way, this is a typical misunderstanding that many have regarding electrical cables.

The reality is that the cable current capacity fluctuates constantly and does not hold steady over the course of the cable's lifetime.

These fluctuations are typically brought on by elements including the current ground or air temperature, the actual technique utilized, and the depth at which the cables were buried.

● Power cables that are brand-new do not last as long as people assume.

There are a number of explanations for why freshly installed power lines don't survive as long as people anticipate.

The first is that it is quite unlikely that all of the power cables you install will endure for a certain amount of time because there are numerous manufacturers of electrical cables.

The existence of numerous different power cable types is the second.

Power cable types are classified according to their capacities, dependability, uses, and other features that are special to their respective industries.

The third is that the method of installation has a significant impact on how long a cable lasts.

● To secure the cable from potential physical impacts, cable armor is not employed.

The armor that is applied to your cable is not intended to help shield it from potential physical harm.

On the other hand, if any kind of power line is put under physical strain, it's probable that the armor will make the impact-related damage to the cable worse!

This is due to the fact that steel tape or steel wire is typically utilized to make the cable armor used on all sorts of cables.

These materials are not intended to shield the cables from physical contact; rather, they are designed to boost the tensile strength of the cables.

● Electric cables cannot be protected from moisture by the cable armor.

The incorporation of the armor, according to conventional wisdom, enables the use of any type of power cable in damp environments.

It should be underlined once more that the armor is not designed to shield the wire from the elements.

As a result, exposing armored cables to water runs the risk of quickly destroying the armor and eventually exposing the wires themselves.

Your final point of consideration should be safety-related.

You should keep in mind that improper cable installation might quickly result in an accident.

Uses of power cables:

A power cable installation is done as part of the building's permanent wiring, which may be run uncovered or buried underground.

Flexible power cables can be utilized in a variety of tools, portable equipment, and machinery.

The manufacture and design of the cables are done in accordance with the required current and voltage, the intended use, and the maximum working temperature.


We at Joe Audio, one of the top suppliers of electric cables, provide excellent wires and cables for a range of residential, commercial, industrial, and infrastructure uses.

To lessen strand-interaction distortion, Joe Audio offers premium power cables composed of direction-controlled long-grain copper.


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