LED IP Rating: Definition and How to Choose


Author:Led Screen Manufacturer Since 2013——LIGHTALL

LED IP Rating: Definition and How to Choose


With the rise in popularity of LED lights, it has become essential to understand the different aspects that determine their quality and suitability for various environments. One such crucial aspect is the LED IP rating. IP rating, also known as Ingress Protection rating, is a system that classifies the degree of protection provided by LED lights against dust and water. In this article, we will delve deep into the concept of LED IP rating, its significance, and how to choose the right LED lights based on their IP ratings.

1. Understanding IP Rating

In the world of LED lighting, IP rating plays a vital role in determining the durability and performance of the lights. IP rating consists of two digits, each representing a specific aspect of protection. The first digit represents protection against solid objects, such as dust, while the second digit represents protection against liquids, primarily water. Higher digits indicate better protection.

2. Decoding the First Digit

The first digit in the IP rating defines the degree of protection against solid objects, including dust and other particles. Here's a breakdown of the different levels of protection offered by various first digits:

- IP0X: No protection against solid objects.

- IP1X: Protection against objects larger than 50mm, such as a hand.

- IP2X: Protection against objects larger than 12.5mm, like fingers.

- IP3X: Protection against objects larger than 2.5mm, for instance, tools and wires.

- IP4X: Protection against objects larger than 1mm, such as small tools and thin wires.

- IP5X: Partial protection against dust but not completely dustproof.

- IP6X: Complete protection against dust, making it dustproof.

3. Decoding the Second Digit

The second digit in the IP rating signifies the level of protection against water and other liquids. Let's explore the various degrees of protection denoted by different second digits:

- IPX0: No protection against water.

- IPX1: Protection against vertically falling drops of water, like rain.

- IPX2: Protection against vertically falling drops, with a slight angle, measuring up to 15 degrees.

- IPX3: Protection against water spray up to 60 degrees from vertical.

- IPX4: Protection against splashing water from any direction.

- IPX5: Protection against water jets from any direction, with limited ingress.

- IPX6: Protection against powerful water jets from any direction, with no ingress.

- IPX7: Protection against the effects of temporary immersion in water up to 1 meter.

- IPX8: Protection against continuous immersion in water beyond 1 meter. The depth is specified by the manufacturer.

4. Choosing the Right IP Rating for Various Applications

Selecting the appropriate IP rating for your LED lights largely depends on the application and the environmental conditions they will be exposed to. Let's explore a few common scenarios and their corresponding recommended IP ratings:

- Indoor Lighting: For indoor spaces with minimal exposure to moisture or dust, a basic IP rating of IP20 should suffice. However, in kitchens or bathrooms, where humidity levels are higher, it is advisable to opt for an IP44 or higher-rated LED light to ensure protection against splashes and steam.

- Outdoor Lighting: Outdoor lights are exposed to changing weather conditions, making it crucial to choose an appropriate IP rating. For general outdoor lighting, an IP65-rated light is ideal as it provides protection against dust and a strong water spray. However, in areas with heavy rain or adverse weather conditions, an IP67 or IP68-rated light, offering higher water resistance and dustproof qualities, would be a better choice.

- Industrial and Commercial Settings: Industries and commercial establishments often require LED lights that can withstand harsh environments and potential exposure to debris or water. In such scenarios, IP ratings of IP66 and above are recommended, ensuring protection against dust, water, and even powerful jets.

5. Factors to Consider Alongside IP Rating

While the IP rating is an essential factor in choosing LED lights, it is not the sole consideration. Other factors, such as brightness, color temperature, and energy efficiency, should also be evaluated. Additionally, it is crucial to consider the specific industry standards and regulations set forth by governing bodies to ensure compliance and safety.


Understanding the IP rating system is vital for selecting LED lights suitable for their intended environments. By decoding the digits and considering the requirements of different applications, one can make an informed decision and ensure longevity and performance. When purchasing LED lights, always evaluate the IP rating alongside other factors to find the perfect combination of functionality, durability, and efficiency for your specific lighting needs.



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