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Inside FIRE ENCLOSURES, materials for components and other parts, (including MECHANICAL
8 l2 S X" f# R, H; ?9 r' FENCLOSURES and ELECTRICAL ENCLOSURES located inside FIRE ENCLOSURES), shall comply with: c; L+ @# X+ s7 F/ D- W: B
one of the following:
! |* _2 ?" h- D5 X1 X) d8 H6 r− be of V-2 CLASS MATERIAL or HF-2 CLASS FOAMED MATERIAL; or7 ~& F! l5 e3 q8 n. A! y, `% }3 z
− pass the flammability test described in Clause A.2; or
* Q% w0 H6 k& z- D. h− meet the flammability requirements of a relevant IEC component standard that includes# e# y2 L9 a( a5 ^1 @
such requirements.
! P. n! s" }( {# f( SClass I,三選一。Class III, adapter with LPS, 看4.7.2.2就可以了吧 |
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