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|  PDSH 8539 d. L6 t' B. K: r" W! \
1 S2 F& p8 Y; Q7 j+ m
| Locking device for screws( O( `) F+ R6 O. ?5 W
| 4.11.37 h$ D2 ]5 Q- X( O
| 60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)
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Standard(s):7 P8 N) w* v9 Y4 Y
IEC 60598-1 All editions
! |3 U5 {( G0 J/ MSubclause(s): 4.11.3
# F- G2 f, V* B% Y' u, j3 TNo. Year PDSH 0853 2010. L, i6 u' Z" T8 s' c6 _
Category: LITE Developed by: ETF5 OSM/LUM1 g" Y5 C/ b5 t# s
Subject:3 U3 q8 c3 f& `# `+ }
Locking device for screws
- l& J9 Q3 j! ~3 j' |" YKey words:
/ C. F+ k1 g4 n7 l7 ]- Locking device3 e, _- M' e5 I+ ^
- Mechanical connections( [& \! B L5 ~' ? `, D
- Fixing screws
+ B' d; T8 [6 B9 ?. N6 }# h1 ]To be approved at the 49th CTL Plenary Meeting, in 2012) F4 @& q+ l0 o4 A, H+ J! J5 _( P$ s, M) {
Question:; N2 r0 m9 w" ^" h
Screws which serve as electrical as well as mechanical connections shall be locked against loosening.* A6 O2 U9 p, z
1) Is it acceptable if only one of two fixing screws of a ballast is provided with a locking devise?, G* d# @* E1 k% K: \
2) Is it acceptable if the ballast is fixed with only one screw (provided with a locking device), while the
9 O# }* ^, E, N; V: qother side is fixed with tape?7 e4 _( h" h4 D5 B7 T
Decision:
1 f6 R8 U3 f( q* `& P" h! T1) Yes.% u+ ?! H4 K% F- i1 P
2) Yes.
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发表于 2012-9-17 14:56
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