Shanghai GOM Testing & Technical Co,Ltd.

IP Test

IP TEST

IP Test Standard

IEC 60529: 1989+A1:1999+A2:2013 Degrees of protection provided by enclosures (IP Code)

1. Arrangement of the IP Code


Where a characteristic numeral is not required to be specified, it shall be replaced by the

letter “X” (“XX” if both numerals are omitted).

Additional letters and/or supplementary letters may be omitted without replacement.

Where more than one supplementary letter is used, the alphabetic sequence shall apply.

If an enclosure provides different degrees of protection for different intended mounting

arrangements, the relevant degrees of protection shall be indicated by the manufacturer in the instructions related to the respective mounting arrangements.

2. Elements of the IP Code and their meanings

A brief description of the IP Code elements is given in the following chart. Full details are

specified in the clauses indicated in the last column.

4.3 Examples for the use of letters in the IP Code

The following examples are to explain the use and arrangement of letters in the IP Code.

l IP44 – no letters, no options;

l IPX5 – omitting first characteristic numeral;

l IP2X – omitting second characteristic numeral;

l IP20C – using additional letter;

l IPXXC – omitting both characteristic numerals, using additional letter;

l IPX1C – omitting first characteristic numeral, using additional letter;

l IP3XD – omitting second characteristic numeral, using additional letter;

l IP23S – using supplementary letter;

l IP21CM – using additional letter and supplementary letter;

l IPX5/IPX7/IPX9 – giving three degrees of protection by an enclosure against water jets, temporary immersion and high pressure and temperature water jet for versatile” application


Shanghai GOM Testing and Technical Co., Ltd.(GOM) is famous for its global service in testing and certification business. We focus on the certification, testing, inspection and standard training for products approaching markets including Europe, America, and Russia etc. We are authorized by several European Notified Body and Russian Official Certification Authorization to directly accept application from manufacturers or trading company, to help their products comply with requirements of international regulation and standard, to help enterprises eliminate trade and technology barrier, to improve competition of “Made in China”

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