Installation guide

Network Infrastructure for EtherNet/IP™
E-1
Appendix E Ingress Protection (IP) Codes
Appendix E Ingress Protection (IP) Codes
Ingress Protection (IP) Codes are environmental ratings for enclosures. The following table shows how
these ratings are designated.
IP Codes
1st Digit
Protection Against Foreign
Objects
2nd Digit Protection Against Moisture
0 Not protected 0 Not protected
1
Protected against objects greater
than 50 mm
1 Protected against dripping water
2
Protected against objects greater
than 12 mm
2
Protected against dripping water when
tilted up to 15 N
3
Protected against objects greater
than 2.5 mm
3 Protected against spraying water
4
Protected against objects greater
than 1.0 mm
4 Protected against splashing water
5 Dust protected 5 Protected against water jets
6 Dust tight 6 Protected against heavy seas
------ 7
Protection against the effects of
immersion
------ 8 Protection against submersion
Example marking: IP 68 would indicate a dust-tight (first digit 6) piece of equipment that is protected
against submersion in water (second digit 8).
Source: Underwriters Laboratories, Inc.