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Table 2 – Examples of the provision of pollution degree environments % ~9 d3 c: {0 ?9 ?3 G
Reduction of Pollution Degree 3 to Pollution Degree 2 & w+ [+ q, T0 D+ }
Control of the Pollution Degree 3 environment to Pollution Degree 2 can be + A* e/ }1 G' U8 q! J
accomplished by either: : q8 ]8 g0 [& i2 y( ~, g
– providing continuous energization of the enclosed equipment; or # N) t& }, R9 T6 I t: y! o W
– providing separate climate conditioning which prevents condensation [5 j( A: a4 K5 V1 l! k' S
within the OUTDOOR EQUIPMENT or OUTDOOR ENCLOSURE; or
& j% b0 ` J* E* R m– the use of an ENCLOSURE meeting IP54. |
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