IP Code, or Ingress Protection Code[1], IEC standard 60529, sometimes interpreted as International Protection Code, classifies and rates the degree of protection provided by mechanical casings and electrical enclosures against intrusion, dust, accidental contact, and water. It is published by the International Electrotechnical Commission (IEC). The equivalent European standard is EN 60529.
| Letter | Meaning |
|---|
| A | Back of hand |
|---|
| B | Finger |
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| C | Tool |
|---|
| D | Wire |
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| Letter | Meaning |
|---|
| H | High voltage apparatus |
|---|
| M | Motion during water test |
|---|
| S | Stationary during water test |
|---|
| W | Weather conditions |
|---|
| NEMA enclosure[9] | IP Code |
|---|
| 1 | IP20 |
| 2 | IP22 |
| 3, 3X, 3S, 3SX | IP55 |
| 3R, 3RX | IP24 |
| 4, 4X | IP66, IP65 |
| 5 | IP53 |
| 6 | IP67 |
| 6P | IP68 |
| 12, 12K, 13 | IP54 |
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