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|  PDSH 8536 x; f: F" Y$ @: Y" W1 a( \
8 V# X0 p7 y7 l& d: k: D0 u9 ~ | Locking device for screws
; X. }) D" f* I1 K! I' ` | 4.11.3/ N6 ]7 m4 ^; l' G
| 60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)- z, `+ T, X4 I/ w
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Standard(s):! i& {0 |3 a$ |" V
IEC 60598-1 All editions/ Q; t4 m K6 _ Q: s. Y ~
Subclause(s): 4.11.3
. v/ t0 L. D! q1 B e# r* zNo. Year PDSH 0853 2010. u2 r K4 b' F L9 \- h" Q- Z& ~& g4 q
Category: LITE Developed by: ETF5 OSM/LUM
6 m6 \, ?* ?" `+ ~- XSubject:
- y. j4 n7 `9 E; r ZLocking device for screws
9 }! I9 _1 N. j2 H/ ZKey words:
5 N; r# s8 [! i- Locking device
, X4 ^7 Y' W+ s6 L/ V9 o# Z* |- Mechanical connections
5 ~6 ~6 W4 j [: p& R2 X" Y- Fixing screws
* \/ m5 |3 @/ ?! o3 L7 L' }0 _To be approved at the 49th CTL Plenary Meeting, in 2012, |# ? v# R4 Q6 U
Question:8 f. E3 o3 w0 @6 H1 H
Screws which serve as electrical as well as mechanical connections shall be locked against loosening.) i ?) J# D: ?" Y1 @
1) Is it acceptable if only one of two fixing screws of a ballast is provided with a locking devise?, S1 O, \) C5 y8 s0 D
2) Is it acceptable if the ballast is fixed with only one screw (provided with a locking device), while the
0 G m. i1 b" G! n+ G# U0 Yother side is fixed with tape?
% X+ Z* ?8 q' i" ~7 eDecision:1 W- }- M7 K# g+ t+ h0 j. E
1) Yes.
# J5 a1 G2 X: D! G2 m+ T2) Yes.6 [8 s) A0 N: f' B, k2 ?
, S0 z# H% o" r
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发表于 2012-9-17 14:56
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