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Table 2 – Examples of the provision of pollution degree environments
) a2 d4 b3 ^4 P" m7 g9 HReduction of Pollution Degree 3 to Pollution Degree 2 4 v6 H# z% ~/ m+ T/ Y: b! X1 }6 o
Control of the Pollution Degree 3 environment to Pollution Degree 2 can be
& g5 P2 _% A0 ~: m4 ]- haccomplished by either: " P" d1 }. |* o5 L3 t9 \% J4 _, G
– providing continuous energization of the enclosed equipment; or
/ ^0 d6 O+ r) o# S; X– providing separate climate conditioning which prevents condensation 5 n. o1 C- |1 t" t, U1 X/ i N9 H
within the OUTDOOR EQUIPMENT or OUTDOOR ENCLOSURE; or
/ F/ U9 p7 s5 h– the use of an ENCLOSURE meeting IP54. |
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