IP ratings, also known as “International Protection Ratings” or “Ingress Protection” ratings, are outlined by the International Electrotechnical Commission (IEC) code 60529, “Degrees of Protection Provided by Enclosures”, as an “international classification system [to measure] the sealing effectiveness of enclosure of electrical equipment against the intrusion into the equipment of foreign bodies and moisture.” The rating IP65 classifies electronic enclosures which offer protection from dust and nozzle-sprayed water and is commonly associated with the American NEMA rating of 4 or 4x. IP and IEC ratings are used internationally and as a standard for domestic ISO facility adherence.

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