NEMA IEC 60529 : 2004(R2011)

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Designations
   4.1 Arrangement of the IP Code
   4.2 Elements of the IP Code and their meanings
   4.3 Examples for the use of letters in the IP Code
5 Degrees of protection against access to hazardous parts
   and against solid foreign objects indicated by the
   first characteristic numeral
   5.1 Protection against access to hazardous parts
   5.2 Protection against solid foreign objects
6 Degrees of protection against ingress of water indicated
   by the second characteristic numeral
7 Degrees of protection against access to hazardous parts
   indicated by the additional letter
8 Supplementary letters
9 Examples of designations with the IP Code
   9.1 IP Code not using optional letters:
   9.2 IP Code using optional letters:
10 Marking
11 General requirements for tests
   11.1 Atmospheric conditions for water or dust tests
   11.2 Test samples
   11.3 Application of test requirements and interpretation
        of test results
   11.4 Combination of test conditions for the first
        characteristic numeral
   11.5 Empty enclosures
12 Tests for protection against access to hazardous parts
   indicated by the first characteristic numeral
   12.1 Access probes
   12.2 Test conditions
   12.3 Acceptance conditions
        12.3.1 For low-voltage equipment (rated voltages
               not exceeding 1000 V a.c. and 1500 V d.c.)
        12.3.2 For high-voltage equipment (rated voltages
               exceeding 1000 V a.c and 1500 V d.c.)
        12.3.3 For equipment with hazardous mechanical parts
13 Tests for protection against solid foreign objects
   indicated by the first characteristic numeral
   13.1 Test means
   13.2 Test conditions for first characteristic numerals
        1, 2, 3, 4
   13.3 Acceptance conditions for first characteristic numerals
        1, 2, 3, 4
   13.4 Dust test for first characteristic numerals 5 and 6
   13.5 Special conditions for first characteristic numeral 5
        13.5.1 Test conditions for first characteristic numeral 5
        13.5.2 Acceptance conditions for first characteristic
               numeral 5
   13.6 Special conditions for first characteristic numeral 6
        13.6.1 Test conditions for first characteristic numeral 6
        13.6.2 Acceptance conditions for first characteristic
               numeral 6
14 Tests for protection against water indicated by the second
   characteristic numeral
   14.1 Test means
   14.2 Test conditions
        14.2.1 Test for second characteristic numeral 1 with
               the drip box
        14.2.2 Test for second characteristic numeral 2 with
               the drip box
        14.2.3 Test for second characteristic numeral 3 with
               oscillating tube or spray nozzle
        14.2.4 Test for second characteristic numeral 4 with
               oscillating tube or spray nozzle
        14.2.5 Test for second characteristic numeral 5 with
               the 6,3 mm nozzle
        14.2.6 Test for second characteristic numeral 6 with
               the 12,5 mm nozzle
        14.2.7 Test for second characteristic numeral 7:
               temporary immersion between 0,15 m and 1 m
        14.2.8 Test for second characteristic numeral 8:
               continuous immersion subject to agreement
   14.3 Acceptance conditions
15 Tests for protection against access to hazardous parts
   indicated by the additional letter
   15.1 Access probes
   15.2 Test conditions
   15.3 Acceptance conditions
Annex A (informative) - Examples of IP coding for the
        verification of protection of low-voltage equipment
        against access to hazardous parts
Annex B (informative) - Summary of responsibilities of
        relevant technical committees
Bibliography
IP Codes of examples in annex A

Pertains to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV.