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Covers, shades and similar parts not having an insulation function and which do not
8 j( |& D. C. l; l. n% A- nwithstand the 650 °C glow-wire test of 13.3.2 shall be adequately spaced from any heated part
! E4 j8 `! e! I6 q% v( A; w* mof the luminaire which could raise the material to its ignition temperature. These parts made of
' d/ R; J+ U+ ^- Z$ s% V6 Eflammable material shall have suitable fastenings or supporting devices to maintain this spacing.% ~2 |4 z k' z; Z! M0 x9 s
The spacing from heated parts mentioned above shall be at least 30 mm, unless the material is, X8 O' l+ m e6 q
protected by a screen spaced at least 3 mm from the heated parts. This screen shall comply
7 K; e7 C& L) F2 B; j! vwith the needle-flame test of 13.3.1, shall have no holes, and shall have a height and a length
# m S2 {. f1 J9 }' a; w( G+ Zat least equal to the corresponding dimensions of the heated parts. A screen is not required in
; G8 Y! E, {0 pcases where the luminaire provides an effective barrier to burning drops |
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