PDSH 974 Self-contained emergency luminaire with several filament lamps

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PDSH 974 + m# y6 Y9 ^& ]5 b% l

Self-contained emergency luminaire with several filament lamps 2 o( Y+ G3 f, Q' S8 E

22.6

60598-2-22(ed.3);am1;am2

' z! T7 S; h: b0 I' ?2 b# a2 J- LStandard(s):
IEC 60598-2-22/1997 A1/2002 A2/2008
* V+ o4 A. v; ESubclause(s): 22.6
" E  d- f3 u+ L  o9 j2 BNo. Year PDSH 0974 2010
! X) t: o) r* U$ R3 A9 _1 dCategory: LITE Developed by: ETF5 OSM/LUM
; V  m% x* N5 ?: }5 }6 JSubject:
Self-contained emergency luminaire with several filament lamps
Key words:
- Indicator
- Each lamp
; I9 E4 q, r! B& P* e! v- Filament lamps
To be approved at the 49th CTL Plenary Meeting, in 2012
Question:
8 {, }( E  @9 a" W( {In a self-contained emergency luminaire which incorporates several emergency filament lamps in parallel
5 s7 O  v) {( j. L& r% O1 nconnection, in order to comply with the requirements of 22.6.7b, is it necessary that the indicator shows
. D0 I0 w( H4 U8 }the circuit continuity in every lamp? Or could it be acceptable that the indicator shows only if all lamps
+ p. P  Y' q" P6 T! S/ qare blown?
2 h, L$ J# a4 k4 jDecision:
7 A+ O# N( U& n2 {5 X7 pThere shall be an indicator for each lamp.
/ o5 ^0 F9 p4 _* p
* X7 s5 f5 Z+ K8 _* x  H/ }