Type of assemblies / Type of environment Standards and sub-clause Minimum degree of protection
Switchgear and control gear assembly: enclosed switchboard IEC 60439-1 sub-clause 2.3.3 Not defined
Assemblies for outdoor installation IEC 60439-1 sub-clause 7.2.1.3 IPX3
Assemblies with protection by total insulation IEC 60439-1 sub-clause 7.4.3.2.2 IP2XC
Installations in normal environments
Live parts which are not be touched intentionally IEC 60364-4 sub-clause 412.2.1 IPXXB (IP2X)
Live parts which are readily accessible (horizontal top) IEC 60364-4 sub-clause 412.2.2 IPXXD (IP4X)
Installations in locations containing a bath tube or shower basin
Zones 1 and 2 IEC 60364-7 sub-clause 701.512.2 IPX4
Zone 3 IEC 60364-7 sub-clause 701.512.2 IPX1
Zones 1–2–3 public baths where water jets are used for
cleaning purposes IEC 60364-7 sub-clause 701.512.2 IPX5
Installations for swimming-pools
Zone 0 IEC 60364-7 sub-clause 702.512.2 IPX8
Zone 1 IEC 60364-7 sub-clause 702.512.2 IPX5
Zone 2 for indoor locations IEC 60364-7 sub-clause 702.512.2 IPX2
Zone 2 for outdoor location IEC 60364-7 sub-clause 702.512.2 IPX4
Zone 2 where water jets are used for cleaning purposes IEC 60364-7 sub-clause 702.512.2 IPX5
Installations for rooms and cabins containing sauna heaters IEC 60364-7 sub-clause 703.512.2 IP24
Assemblies for construction sites (ACS) IEC 60439-4 sub-clause 7.2.1.1 IP44
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