PDSH 971 Classification of self contained emergency luminaires according to the

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PDSH 971 % M. H  W/ z; B9 M. ]& n1 w% Z& |$ j % e2 `5 Y2 ?/ m6 ?( k1 t  O

Classification of self contained emergency luminaires according to the mode of operation 4 F" Q, Z0 Q" _( j( e

22.4

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

Standard(s):
3 ~1 Q7 T+ b* y1 R6 C4 JIEC 60598-2-22/1997 A1/2002 A2/2008
Subclause(s): 22.4
No. Year PDSH 0971 2010
; u" W6 g) b* p: T+ ]Category: LITE Developed by: ETF5 OSM/LUM
Subject:
Classification of self contained emergency luminaires according to the mode of operation
* G* y+ S* S+ e& t# O* bKey words:
0 n! Q9 `+ o4 o7 G/ b- Maintained emergency luminaire
- Non maintained emergency luminaire
- Mode of operation
& J6 i7 W9 B& \To be approved at the 49th CTL Plenary Meeting, in 2012
Question:
8 \; G6 l# N( e: D( k  s: }According to the definition 22.3.5, “Maintained emergency luminaire is a luminaire in which the
/ p* ~" Y. K$ a. J& a6 bemergency lighting lamp is energized at all times when normal or emergency lighting is required”. Can
the emergency lighting lamp of a self contained emergency luminaire classified as “maintained
6 \" l# h& f$ s- Z( Lemergency luminaire”, be switched on and off with an external switch in the installation? The question is
2 F* R* j0 v* c4 n6 u8 vasked because if the lamp is switched off when the supply is present, the luminaire can be seen as a “non
maintained emergency luminaire”.
$ l% S# L; ]% w$ a0 _) a/ GDecision:
8 V* D  U! d$ y- B3 P! fYes, only during the normal lighting operation.

4 H  n8 ]& J" y3 I- A5 A' R
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