PDSH 857 Rivets for electrical and mechanical connections

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PDSH 857 : Q' O9 C1 M  v- H% p ) L1 t& `* J8 O5 {- |8 [

Rivets for electrical and mechanical connections

4.11.3 – 7.2.4 5 d) z* f+ X4 M# Z  F, o- ]) C" V

60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7) 2 L- H0 X  g! i

$ e6 n1 U; m9 O  x+ b+ Z, UStandard(s):
- _) a6 ~- M& t3 l! p5 [+ X; _4 tIEC 60598-1 All editions
Subclause(s): 4.11.3 – 7.2.4
No. Year PDSH 0857 2010
Category: LITE Developed by: ETF5 OSM/LUM
Subject:
. J9 ]- }( j, o# m; H, |Rivets for electrical and mechanical connections
* T6 w8 P0 t$ e! o( W; O7 {Key words:
- Rivets
! H3 q1 R; x/ _* B: o- Earthing connections
- Accidental loosening
# I2 {* b& D) P, n1 Y) CTo be approved at the 49th CTL Plenary Meeting, in 2012
7 \/ F2 R, c. L- _0 h. ZQuestion:
, h4 B) k; o3 W1 |Should the rivets that serve as electrical as well as mechanical connections be protected against loosening
! [& j' t6 b2 C$ q" zeven if they are not subject to torsion effect in normal use (e.g. rivets intended to fix ballasts).
Decision:
It was agreed that earthing connections shall be adequately locked against accidental loosening, either by:
0 l3 X$ \2 G; e9 K- at least one screw with a spring washer, or one rivet with no circular shape;
- two rivets in case of circular shank according to sub-clause 4.11.3 of IEC 60598-1.


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