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Covers, shades and similar parts not having an insulation function and which do not
% T+ n+ Y& Z0 ?+ Twithstand the 650 °C glow-wire test of 13.3.2 shall be adequately spaced from any heated part
1 L' |% F0 f' f3 \of the luminaire which could raise the material to its ignition temperature. These parts made of
. T$ R1 y3 t, r, m1 i* @3 d4 ]flammable material shall have suitable fastenings or supporting devices to maintain this spacing.7 @5 B% K' [' y# a( ^" k
The spacing from heated parts mentioned above shall be at least 30 mm, unless the material is
: F1 X+ {+ \) |+ M2 d, G4 Kprotected by a screen spaced at least 3 mm from the heated parts. This screen shall comply
J; F- E+ x' p7 H1 Pwith the needle-flame test of 13.3.1, shall have no holes, and shall have a height and a length, N6 K, y! y9 o4 F7 g) }
at least equal to the corresponding dimensions of the heated parts. A screen is not required in
& ?" e$ B5 E C3 O, [cases where the luminaire provides an effective barrier to burning drops |
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