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|  DSH 475
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+ @- Q% A- @# U3 p) n" \ | Marking and instructions4 a6 i5 P- I8 g/ u
| 7.10
, K+ }% {- X* q3 t0 ~- E | 60335-1(ed.3)1 b7 W, z4 y2 N; @2 W9 p, a5 c
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Standard: IEC 60335-1:1991, 3rd Ed.
, v( Z9 f3 P* T4 m) X! B7 ISub clause: 7.10
* T# Q% s8 S, y* xSheet No. DSH-475 J* ]' O! R3 x
Subject: Marking and instructions8 l6 R' W- Q. S: R
Key words: - marking
3 K5 F4 R3 ~7 v2 iDecision taken at the 40th CTL meeting 2003& l8 x$ ~, K" C1 B0 e
Question:3 J1 o+ O) C/ }8 x, X
Does a push-push mains switch need to be marked to indicate on/off positions?
2 f+ c( y! I9 @' `Rationale:
$ H/ k+ n/ o4 I7 q3 C$ ^2 MSee question.% Q7 g3 Q5 Q f6 n% s
Decision:; y, S( u* K' ?8 ~4 ~+ a
A push-push mains switch for stationary appliances needs a visual means (e.g. according to- G; C o+ h% x' {; g3 w
IEC 417 "Graphical symbols for use on equipment") or a lamp to indicate clearly whether0 H$ p2 Q- [; C @& u* E
the switch is in the on/off position. The marking should be on or near the switch.
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