IP ratings are defined as IPXX. The initial "X" is a number from 0 to 6 indicating the degree of protection against ingress by solid objects, and the second "X" is a number from 0 to 8 indicating the degree of protection against ingress by water.
DEGREES OF PROTECTION AGAINST SOLID OBJECTS
IP0X Non-protected |
IP1X 50mm diameter and greater |
IP2X 12.5mm diameter and greater |
IP3X 2.5mm diameter and greater |
IP4X 1.0mm diameter and greater |
IP5X Dust-protected |
IP6X Dust-tight |
DEGREES OF PROTECTION AGAINST WATER
IPX0 |
Non-protected |
IPX1 |
Vertically falling water drops |
IPX2 |
Vertically falling water drops with enclosure tilted up to 15 degrees |
IPX3 |
Spraying water |
IPX4 |
Splashing water |
IPX5 |
Water jets |
IPX6 |
Powerful water jets |
IPX7 |
Temporary immersion |
IPX8 |
Continuous immersion |
FULL LIST OF IP TESTING
IP00 |
IP01 |
IP02 |
IP03 |
IP04 |
IP05 |
IP06 |
IP07 |
IP08 |
IP10 |
IP11 |
IP12 |
IP13 |
IP14 |
IP15 |
IP16 |
IP17 |
IP18 |
IP20 |
IP21 |
IP22 |
IP23 |
IP24 |
IP25 |
IP26 |
IP27 |
IP28 |
IP30 |
IP31 |
IP32 |
IP33 |
IP34 |
IP35 |
IP36 |
IP37 |
IP39 |
IP40 |
IP41 |
IP42 |
IP43 |
IP44 |
IP45 |
IP46 |
IP47 |
IP48 |
IP50 |
IP51 |
IP52 |
IP53 |
IP54 |
IP55 |
IP56 |
IP57 |
IP58 |
IP60 |
IP61 |
IP62 |
IP63 |
IP64 |
IP65 |
IP66 |
IP67 |
IP68 |