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|  PDSH 853
8 J+ y. E* c' }* m# d
/ @7 k% s4 z! M- f" z | Locking device for screws
8 l5 X9 A0 C3 M2 t# x% u4 s4 O5 z$ { | 4.11.3* k0 W) o% I0 U# r* U" n* N& a
| 60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)8 h7 m; ^0 }5 a, x' S; f% L2 Y6 _
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% B* K. ^, G4 ^4 q0 V7 u5 cStandard(s):. }; f0 a5 x7 S
IEC 60598-1 All editions
2 }" g X6 H0 y$ USubclause(s): 4.11.3% }1 M2 v1 `7 o! N% E
No. Year PDSH 0853 20106 C* |1 R7 _" k) `- f
Category: LITE Developed by: ETF5 OSM/LUM# _+ [, e4 E0 r# `/ Y" G& ^$ E. T
Subject:/ v; v0 O& U! b u
Locking device for screws W1 {; ~' b' W* q8 M0 k6 V
Key words:
' o% z8 r/ @9 x7 q Y0 _$ a. p- Locking device" q% _( l( }# P9 Q: ~" ~3 d% r# `4 {
- Mechanical connections
& x p' } ^% S/ d9 S* t& y- Fixing screws/ H( |# ]$ P$ R# R4 @
To be approved at the 49th CTL Plenary Meeting, in 2012
8 a; j8 s% v: P3 ^. ?+ cQuestion:
# ]! a* p9 E/ s' g4 @Screws which serve as electrical as well as mechanical connections shall be locked against loosening.
: T5 s: b o5 C# o: M- Z( W! o* H1) Is it acceptable if only one of two fixing screws of a ballast is provided with a locking devise?- S0 C) V) x: ^3 Y* w4 a
2) Is it acceptable if the ballast is fixed with only one screw (provided with a locking device), while the4 i* A5 e, X, }2 {
other side is fixed with tape?( t, u/ n* X$ X
Decision:
1 B3 G9 j1 F: R) v2 }1) Yes.
3 ?: X w2 u3 m" |3 V; h! q/ X* ^2) Yes.7 |. K* T, o: {) T8 b# Q$ a
& n- e/ J ~% W/ C, u, c* X
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发表于 2012-9-17 14:56
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