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|  PDSH 954
0 |$ ^7 |6 q2 N/ a, W" O* ~' c& ^* K8 ]+ c" Z
| Connections on lighting chains
9 s, X, P6 L9 x# l0 y& x- F# m. B | 20.7
: E% U* T* | I/ c+ S- b | 60598-2-20(ed.3)
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Standard(s):
% f! ?1 h- N$ ?3 C/ _$ k2 XIEC 60598-2-20/2010 b- x5 k& z6 _/ ]
Subclause(s): 20.7/ @! S- t4 y# k$ _
No. Year PDSH 0954 2010
9 I+ l$ \& E- ~% Y; bCategory: LITE Developed by: ETF5 OSM/LUM
$ t4 s+ X; V) d7 mSubject:1 g( Y! `8 F/ N$ f/ O
Connections on lighting chains0 p' m: O5 R6 O8 @$ k u4 r
Key words:9 z; H2 z0 \ b8 ^" b
- Connection' n( s1 `: Y( a3 S6 E
- Sleeving
- s& e2 {2 U# S3 F4 X5 O- Two separate layers; I( L' a# c) i, F1 Q. b q( K/ n
To be approved at the 49th CTL Plenary Meeting, in 2012
. _$ N5 I6 C4 B- ]Question:
4 |7 I+ r2 A* _# @1 ]- z6 {. dConnection of lighting chains parts by use of heat-shrinkable sleeving; the lighting chain withstands all( U( _' p Y5 U" s, z
dielectric strength tests for class II luminaires. Is this construction acceptable?) k( |/ |8 u( S5 x1 E' L4 g
Decision:
) L+ y8 E* r$ mIt is acceptable only in case two separate layers have been used round the connection.0 d6 o/ b/ w; t t, T3 Z T
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发表于 2012-9-16 15:42
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