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  • What is the IP Rating of a product, and what does it mean?

    The IP Code (or International Protection Rating, sometimes also interpreted as Ingress Protection Rating) consists of the letters IP followed by two digits and an optional letter. As defined in international standard IEC 60529, it classifies the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in electrical enclosures. The standard aims to provide users more detailed information than vague marketing terms such as "waterproof".

    May also be known as “Index of Protection”.

    The digits ('characteristic numerals') indicate conformity with the conditions summarized in the tables below. Where there is no protection rating with regard to one of the criteria, the digit is replaced with the letter X.

    For example, an electrical socket rated IP22 is protected against insertion of fingers and will not be damaged or become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. IP22 or IP2X are typical minimum requirements for the design of electrical accessories for indoor use.

    First digit  -  The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects.

    Level Object size protected against i.e., Effective against:

    0 —                               No protection against contact and ingress of objects

    1 >50 mm                    Any large surface of a human body, such as the back of a hand, but no protection against deliberate contact
                                           with a body part

    2 >12.5 mm                 Fingers or similar objects

    3 >2.5 mm                    Tools, thick wires, etc.

    4 >1 mm                       Most wires, screws, etc.

    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; complete protection against contact

    6 dust tight                   No ingress of dust; complete protection against contact


    Second digit  -  Protection of the equipment inside the enclosure against harmful ingress of water.

    Level Protected against, Details

    0 —                               No protection against water

    1 dripping water        Dripping water (vertically falling drops) shall have no harmful effect.

    2 dripping water         Vertically dripping water shall have no harmful effect
    when tilted up to 15°  when the enclosure is tilted at an angle up to 15° from its normal position.

    3 spraying water        Water falling as a spray at angles up to 60° from the vertical shall have no harmful effect.

    4 splashing water      Water splashing against the enclosure from any direction shall have no harmful effect.

    5 water jets                  Water projected by a nozzle against enclosure from any direction shall have no harmful effects.

    6 powerful water jets  Water projected in powerful jets against the enclosure shall have no harmful effects.

    7 immersion up to 1 m  Ingress of water in harmful quantity shall not be possible when the enclosure is
                                                immersed in water under defined conditions of pressure and time (up to 1 m of submersion).

    8 immersion beyond 1 m  The equipment is suitable for continuous immersion in water under conditions which shall be specified
                                                     by the manufacturer.  NOTE: Normally, this will mean that the equipment is hermetically sealed. However,
                                                     with certain types of equipment, it can mean that water can enter but only in such a manner that produces
                                                     no harmful effects.

    IP Rating Table for GarrettCom Products