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Covers, shades and similar parts not having an insulation function and which do not8 R* n0 B: }/ I* L0 f( u
withstand the 650 °C glow-wire test of 13.3.2 shall be adequately spaced from any heated part% S; L( z4 O ?9 e1 \& Z. L
of the luminaire which could raise the material to its ignition temperature. These parts made of" I( W; e" J# e: ~
flammable material shall have suitable fastenings or supporting devices to maintain this spacing.; l' t6 g, k' ^8 P8 f& m
The spacing from heated parts mentioned above shall be at least 30 mm, unless the material is" ?( d: `, O/ }, @5 M5 Y" t) p# ~4 k
protected by a screen spaced at least 3 mm from the heated parts. This screen shall comply
5 Y8 R% i0 c9 H% V0 R2 xwith the needle-flame test of 13.3.1, shall have no holes, and shall have a height and a length" O2 p; g: e! H+ D8 I* E
at least equal to the corresponding dimensions of the heated parts. A screen is not required in9 y5 R0 h1 t: `! v
cases where the luminaire provides an effective barrier to burning drops |
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