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24.12.1 Temperature limits – normal operation
; x1 M$ m- [% o5 C. d$ a7 M& w, j$ QFor luminaires with the symbol, a temperature of 110 °C on all horizontal surfaces ofD 8 D# j2 Z L- ~3 v* A( z# }( |
the luminaire exposed to the accumulation of dust shall not be exceeded, at 1,06 times the 2 P# A; l/ t& @0 Y, i9 B2 e- q
rated voltage and, on all vertical external surfaces, the maximum shall not exceed 150 °C at
! t$ S* v% R8 p. e7 C) P; ?9 X, ]/ O: w1,06 times the rated voltage. . A2 F; q- Z* V8 o/ J1 W5 _7 M
If a luminaire has an outer surface likely to be positioned against part of a building (wall or
( d s0 H4 \" k+ @5 p" Psimilar), with a temperature higher than 90 °C, but not exceeding 150 °C, the luminaire shall be 1 W5 ~9 U% F3 D
provided with mounting instructions cautioning against such positioning.
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