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Covers, shades and similar parts not having an insulation function and which do not
* R7 U) Q9 Q- W1 g: r# Pwithstand the 650 °C glow-wire test of 13.3.2 shall be adequately spaced from any heated part$ B' f, y5 _8 J- Z) G$ [& C- x
of the luminaire which could raise the material to its ignition temperature. These parts made of
# E& Z; u: l3 E; e' _% sflammable material shall have suitable fastenings or supporting devices to maintain this spacing.
$ ~7 Z- g" F' c+ ]% hThe spacing from heated parts mentioned above shall be at least 30 mm, unless the material is; s: h+ M V1 m# T! m
protected by a screen spaced at least 3 mm from the heated parts. This screen shall comply4 _' n! t/ [' Z. n @/ I( k
with the needle-flame test of 13.3.1, shall have no holes, and shall have a height and a length
; a9 e4 l4 ^- P S: B0 U1 ]- Gat least equal to the corresponding dimensions of the heated parts. A screen is not required in& w6 b/ X1 Q2 u" v3 ~
cases where the luminaire provides an effective barrier to burning drops |
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