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18-LED University-LED-Light-Bulb-IP-Ratings-Explained

Posted on Mar. 18, 2011
IP Ratings for LED Light Bulb Explained - How waterproof is it?

What are LED Light Bulb IP Ratings?

EagleLight LED light bulbs have an IP rating that classifies the level of protection against particles and liquids. The "IP Rating" is a code for the "International Protection Rating" or "Ingress Protection Rating" that defines protection that LED light bulbs and LED lighting products have against intrusion of solids and dust, accidental contact, and water.
The IP rating is expressed as IPxx with "x" being numbers. For example, you may find a LED lighting product on the EagleLight website that has an "IP" Rating of 65.
The level of protection against solid particles is shown in the first digit. This measures protection against dirt, dust, and other solid matter. The second number classifies the protection against harmful ingress of water.
The higher the number the greater the protection. Lower numbers are better suited for inside carpeted areas like office building LED lighting, school LED lighting, and LED lighting of churches. EagleLight LED light bulbs with higher numerical IP ratings are better suited for areas with more exposure like industrial LED lighting and commercial LED lighting like hospital lighting and factory LED lighting or warehouse LED lighting.
LED lighting IP Solid Rating Chart - First IP Rating Numerical Digit
First Number Effective Against
0 No protection against contact and ingress of objects
1 Any large surface of the body, such as the back of a hand, but no protection against deliberate contact with a body part (>50mm)
2 Fingers or similar objects (>12mm)
3 Tools, thick wires, etc. (>2.5mm)
4 Most wires, screws, etc. (>1mm)
5 Dust protected--Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment
6 Dust tight--No ingress of dust; complete protection against contact

LED lighting IP Water Rating Chart - Second IP Rating Numerical Digit
The second numerical digit indicates the level of protection from harmful ingress of water:
Second Number Effective Against
0 Not protected
1 Dripping water from vertical
2 Direct sprays of water up to 15 degrees from vertical
3 Spraying water of up to 60 degrees from vertical
4 Splashing water from all angles, limited ingress
5 Low pressure water jets from all angles
6 Powerful water jets, like decks for ships
7 Immersion up to 1 meter
8 Immersion beyond 1 meter

For the Scientist and Engineer

Ingress Protection (IP) ratings are developed by the European Committee for Electro Technical Standardization (CENELEC) (NEMA IEC 60529 Degrees of Protection Provided by Enclosures - IP Code), specifying the environmental protection the enclosure provides.
The IP rating can include a third number but normally has two numbers:
1. Protection from solid objects or materials
2. Protection from liquids (water)
3. Protection against mechanical impacts (commonly omitted, the third number is not a part of IEC 60529)
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