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|  PDSH 8531 ?. J' B1 e: T% ^! y" z: I
+ H/ g) Q. I; F4 H4 z
| Locking device for screws3 B7 b- O8 o1 K" }- Q- N- Z. L
| 4.11.3( @ R5 M3 D/ K3 u
| 60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)6 j+ O, _' X& D$ W+ u4 |
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4 i) f2 [1 e4 q9 U) I
Standard(s):5 |$ w7 n: y g6 n5 c! Z1 O
IEC 60598-1 All editions
5 s4 ], i( z: v) L+ M/ tSubclause(s): 4.11.35 J1 h& W, o: X1 O$ I- G
No. Year PDSH 0853 2010 f% a! a- I; V5 Y* `) c; ?
Category: LITE Developed by: ETF5 OSM/LUM
0 W! n1 ~1 O% `6 F: X4 i6 `& eSubject:0 ?. n: s0 E. N9 t& F
Locking device for screws
I h7 p3 B- T! G& YKey words:
1 Z9 n/ @0 c+ K. _2 k- Locking device
6 z' G2 V$ c/ U: k' F6 x: N- Mechanical connections+ E" h; H: d; b1 ]0 o% d. t
- Fixing screws
6 S6 }7 O9 S# }3 `, I4 QTo be approved at the 49th CTL Plenary Meeting, in 2012
! }) R- b& {, V7 E8 s% oQuestion:
# e& P; Z8 Z9 B8 FScrews which serve as electrical as well as mechanical connections shall be locked against loosening.
0 ]' {9 }/ y" o1) Is it acceptable if only one of two fixing screws of a ballast is provided with a locking devise?- c! u7 w7 ]6 @
2) Is it acceptable if the ballast is fixed with only one screw (provided with a locking device), while the
. \- ]( y% I8 e. D8 S3 ~. Y& _other side is fixed with tape?! m& |- @' Q. Y( L3 p, B8 a) @
Decision: l! d. U% ~0 U% \( d, g
1) Yes.- u9 R$ V1 o( `
2) Yes.
2 V3 M1 L3 r: D+ W7 l0 X8 H1 ]" z& E# V' b
/ E4 g! l* e0 P V- _" \' d |
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发表于 2012-9-17 14:56
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