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Covers, shades and similar parts not having an insulation function and which do not
# z# [0 E9 t* r; Y8 c, M- F; s3 lwithstand the 650 °C glow-wire test of 13.3.2 shall be adequately spaced from any heated part4 H/ g# @2 a9 A. g% G
of the luminaire which could raise the material to its ignition temperature. These parts made of
9 J. C* w$ m4 ~' dflammable material shall have suitable fastenings or supporting devices to maintain this spacing.
* w: a) e2 W% UThe spacing from heated parts mentioned above shall be at least 30 mm, unless the material is
3 ~! M$ u. v* C: w( Y, M( |6 [protected by a screen spaced at least 3 mm from the heated parts. This screen shall comply9 Q% d3 P. ]$ d2 U6 ?
with the needle-flame test of 13.3.1, shall have no holes, and shall have a height and a length. ~8 Y% H% ~/ i) F' o
at least equal to the corresponding dimensions of the heated parts. A screen is not required in
& ~; a2 M9 Z3 n8 N% Rcases where the luminaire provides an effective barrier to burning drops |
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