Example: An IP65 rating can be determined using the adjacent table and example: • The first number of the rating example, 6, in the gray column means the enclosure is dust tight • The second number of the rating example, 5, in the blue column means the enclosure is protected against jets of water The IP rating system was established by the International Electrotechnical Commission (IEC), an organization for international standards and conformity assessment. The IEC collaborates closely with the International Organization for Standardization (ISO). A complete description of the IP ratings and associated tests is found in IEC Publication 529. Although these ratings were initially developed as a way to classify enclosures, they now provide a convenient, practical way to compare levels of sealing. Many electrical products have an Ingress Protection (IP) rating which identifies the environmental factors needing consideration prior to the product’s installation. This is important when deciding when to mount products in a dry and clean environment versus a wet and/or dusty environment. The IP rating indicates the degree of protection provided. The numbers following IP represent levels of sealing and can range from no protection to Ingress Protection (IP) Ratings Guide
full protection against dust and water. The table provides a description of the protection at each level.
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