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|  PDSH 8536 ?( H6 {" N7 @: q, ^$ t6 r
y. z8 |8 ~2 E q/ S; r | Locking device for screws
/ G. Z1 {& }6 P, ^% } | 4.11.3
$ {) o5 G1 d: ]4 h9 L | 60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)! O" D. k" Y5 h$ m8 B8 J
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Standard(s):' ?% c3 B% z9 h2 z' a5 c( d. {
IEC 60598-1 All editions
+ k$ d; w+ D' f7 Q/ X7 L% o z" B+ LSubclause(s): 4.11.3
. c, z r8 ]: U. U. a E( SNo. Year PDSH 0853 2010
' T' g0 W5 R* |/ s) E& NCategory: LITE Developed by: ETF5 OSM/LUM" s# q7 b8 I5 D( O
Subject:
3 d$ H9 ]! s1 c' T2 rLocking device for screws ~7 r1 C# n" g
Key words:+ f* r( M6 l: N
- Locking device) L" A. W' O% X8 K
- Mechanical connections o* c: t4 p0 p% b4 d8 Y' d5 p
- Fixing screws
9 W( e* }% R1 u% CTo be approved at the 49th CTL Plenary Meeting, in 2012
* Z6 v, s, J* C8 y0 z! ^Question:
2 n7 I6 M3 O$ E5 ]% p/ aScrews which serve as electrical as well as mechanical connections shall be locked against loosening.
9 [% L ]) I( Z$ M+ _3 f1) Is it acceptable if only one of two fixing screws of a ballast is provided with a locking devise?
. u. X( f* G! w3 O2) Is it acceptable if the ballast is fixed with only one screw (provided with a locking device), while the R8 j A; @# s; N3 }8 B% r
other side is fixed with tape?3 p. u1 V1 b! o$ `6 g ]* C5 O& f% h
Decision:
$ q* O8 G! z3 _. L( R1) Yes. Y- F a( t! G( `' {
2) Yes.
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