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Understanding Solar Cables: Types, Sizes, and Ratings

A solar electricity system is based on multiple components, including solar panels, inverter, and battery, and all of these are connected with a solar cable. However, when it comes to these cables, there are different types, ratings, and sizes. So, here we will elaborate on everything you need to know about these cables.

What is a Solar Cable?

A solar cable is a cable that has multiple insulated wires inside it. These individual wires connect all the components of your solar power system. While you can do that with ordinary wires, using the solar cable brings benefits like:

  • Less clutter in the place
  • Weather resistance
  • Higher durability, etc.

Understanding Solar Cables: Types, Sizes, and Ratings

What are the different solar cable types, sizes, and ratings?

When you look to buy solar cables, you will come across different ratings, types, and sizes. Below are the details of the top 3 most common ones before you buy and install any.

PV Wire

It is the most common one among all solar cables. This wire comes with tinned or bare copper conductors that allow for making secure connections. Moreover, it comes with XLPE insulation that protects it from UV, moisture, and sunlight. Below are the ratings of this wire type.

  • Temperature limit in the wet environment: 90 degrees Celsius
  • Temperature limit in a dry environment: 150 degrees Celsius
  • Voltage ratings: 600, 1000, or 2000 volts

USE-2 Wire

Use-2 cable is usually used for underground wiring. The insulation material here is also XLPE; this wire comes with an aluminum or copper conductor. Due to the insulation and material choice, it provides high heat and water resistance. Due to its flame resistance and flexibility, it is good for industrial applications.

  • Temperature limit in the wet environment: 90 degrees Celsius
  • Temperature limit in a dry environment: 75 degrees Celsius
  • Voltage ratings: 600 volts

THHN Wire

It is a rather delicate type of cable in wet environments. So, if the application recommends using THHN wire, you must only go for it. This wire cannot withstand the harshest conditions, and using these can cause issues with the system leading to failure.

  • Temperature limit in the wet environment: 90 degrees Celsius
  • Temperature limit in a dry environment: 150 degrees Celsius
  • Voltage ratings: 600 volts

Why is selecting the right solar cable essential?

Selecting the right solar cable is essential for so many reasons. First of all, every solar electricity unit has some power production capacity. Selecting the solar cable correctly is essential so that the cable does not act as a performance bottleneck or a safety hazard. Similarly, you cannot go with the top-grade cable if your solar power system does not require it.

It is because that will be overkill, and you will waste a lot of money. So, selecting the right cable is essential for smooth functionality according to the ratings and peace of mind.

Learn all the technicalities about a Solar Cable to order the right one from OWIRE

A solar cable is an integral component of a solar power production unit. Many people ignore using the right cable type, which causes them efficiency and safety issues. So, if you install a solar electricity production unit in this place, know all the technicalities about these wires for an efficient and much safer experience. You can contact our professionals at OWIRE and order the products you need.

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