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WHAT IS "IP RATING" ?

 

 

What is IP?

IP stands for Ingress Protection.
The IP Code outlines a system of classification for the protection of electrical enclosures against the intrusion of foreign bodies ( i.e., tools, fingers, dust, etc. ) and moisture. The system of classification was specified by the International Electrotechnical Commission and is officially designated as IEC 60529. The rating is specified by the letters IP followed by two digits i.e. IP25, IP68, etc. 

 

 

 

 

In basic easy to know terms...
The IP code is there to determine the type of enclosure which should be used for a particular environment. That is, if you wish to install a GPO or switching whereby there will be water sprayed upon it, it certainly can't be the same as a normal residential powerpoint or switch. The IP Rating code is used for many every day common locations such as swimming pools, petrol stations, the mining industry, boat marinas where there maybe regular cleaning, varying temperatures, exposure to dust particles. In fact, you may even have to re install a higher rated enclosure to suit that situation after viewing what that environment has thrown at it over a period of time. The intial enclosure you first installed may not have been the correct type for that harsh environment even though you followed the IP Coding table below.

Is it easy to understand?
In short, Yes. The table below easily translates the IP Rating standard when deciding on a particular piece of electrical equipment or enclosure to install.

 

IP RATING

protection against ingress of dust and liquids

IP (1st digit)   IP (2nd digit)  
0 No protection provided 0 No protection provided
1 Protection against entry of objects larger than 50 square mm 1 Protection against drops of water falling vertically
2 Protection against contact with fingers, protection against ingress of solid foreign bodies with a diametre greater than 12 mm 2 Protection against drops of water falling vertically when the luminaire is tilted up to 15 degrees from its normal position
3 Protection against entry of objects larger than 2.5 square mm 3 Protection from entry of water spray from angle of up to 60 degrees from vertical
4 Protection against entry of objects larger than 1.0 square mm 4 Protection from entry of water splashes or spray from any direction
5 Complete protection against contact with live parts, protection against harmful deposits of dust. 5 Protection against water jets in any direction
6 Complete protection against contact with live parts, protection against ingress of dust 6 Protection against heavy seas or a strong jet of water in any direction
    7 Protection against temporary immersion in water
    8 Protection against indefinate immersion in water

 

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This page was last modified on 28 December 2009 and maybe out of date with regards to newer practices at the time of reading this article

 
 
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