# What are the common Types of XLPE Underground Cables and their applications?

**URL:** <https://forumautomation.com/t/what-are-the-common-types-of-xlpe-underground-cables-and-their-applications/13602>\
**Category:** Electrical\
**Tags:** cable-selction\
**Created:** [October 3, 2025, 3:58pm UTC](https://forumautomation.com/t/what-are-the-common-types-of-xlpe-underground-cables-and-their-applications/13602 "2025-10-03T15:58:44Z")\
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**Author:** ![Rabert](https://forumautomation.com/user_avatar/forumautomation.com/rabert/32/6784_2.png) [@Rabert](https://forumautomation.com/u/Rabert)\
**Post date:** [October 3, 2025, 3:58pm UTC](https://forumautomation.com/t/what-are-the-common-types-of-xlpe-underground-cables-and-their-applications/13602/1 "2025-10-03T15:58:45Z")

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In modern power distribution and transmission,

XLPE (Cross-Linked Polyethylene) insulated cables are the industry standard for underground systems.

Here’s a quick guide to commonly used XLPE cables and their typical applications:

1). 1.5 mm² - 6 mm² (LV)

2). 10 mm² - 50 mm² (LV/MV)

3). 70 mm² - 120 mm² (MV)

4). 150 mm² - 300 mm² (MV)

5). 400 mm² - 630 mm² (HV)

6). 800 mm² - 1600 mm² (HV/EHV)

7). 2000 mm² - 2500 mm² (EHV)

## 1). 1.5 mm² - 6 mm² (LV)

Ideal for domestic wiring, lighting circuits & small commercial installations. Flexible and easy to install.

## 2). 10 mm² - 50 mm² (LV/MV)

Used in small-scale underground networks such as residential developments and street lighting.

## 3). 70 mm² - 120 mm² (MV)

Common in 11 kV distribution systems.

Balances current capacity and installation cost.

## 4). 150 mm² - 300 mm² (MV)

Suited for industrial feeders and medium-load substations in the 11–33 kV range.

## 5). 400 mm² - 630 mm² (HV)

Used for 33–132 kV underground transmission. Handles higher loads with excellent thermal stability.

 ![1](https://cdn.forumautomation.com/original/2X/a/a22e9693921859a4609e41636671f79f97bf5c7b.jpeg)

## 6). 800 mm² - 1600 mm² (HV/EHV)

Found in major utility infrastructure and grid interconnections. High capacity with superior performance.

## 7). 2000 mm² - 2500 mm² (EHV)

Applied in 220–400 kV transmission corridors. Supports long-distance, high-load transfer with minimal loss.

## Why XLPE?

High thermal resistance

Low dielectric loss

Moisture-resistant and chemically stable

Long service life with minimal maintenance

Selecting the right XLPE cable ensures safety, reliability, and efficiency in underground power systems.

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