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Inside FIRE ENCLOSURES, materials for components and other parts, (including MECHANICAL
( G$ W. Y& F; FENCLOSURES and ELECTRICAL ENCLOSURES located inside FIRE ENCLOSURES), shall comply with( ~. Z4 l' k+ ]4 l
one of the following: n# a7 v" M* g6 m% F8 U. I2 D
− be of V-2 CLASS MATERIAL or HF-2 CLASS FOAMED MATERIAL; or1 N$ C! L8 J; z. q
− pass the flammability test described in Clause A.2; or' D" c: b8 p% f6 ]' {% o' t
− meet the flammability requirements of a relevant IEC component standard that includes6 q0 J$ U4 E! P8 k+ ~% T9 M
such requirements., y7 M6 P7 C0 ]$ n/ E S( a- l
Class I,三選一。Class III, adapter with LPS, 看4.7.2.2就可以了吧 |
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