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Inside FIRE ENCLOSURES, materials for components and other parts, (including MECHANICAL
5 g' D) e! j; F& O: `ENCLOSURES and ELECTRICAL ENCLOSURES located inside FIRE ENCLOSURES), shall comply with
% j% y' ]3 [0 }9 d9 @7 o* Jone of the following:
5 X9 o4 x2 [! s: b− be of V-2 CLASS MATERIAL or HF-2 CLASS FOAMED MATERIAL; or" L8 U0 Y+ V3 f3 f0 A1 ^
− pass the flammability test described in Clause A.2; or, n7 w7 v: h5 {1 P! E# F2 X
− meet the flammability requirements of a relevant IEC component standard that includes
6 p. v: d: b7 P# isuch requirements.1 j( S# `6 v! e' R* h7 B
Class I,三選一。Class III, adapter with LPS, 看4.7.2.2就可以了吧 |
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