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|  DSH 475" J0 u4 [0 ] f: H+ w& I7 s
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| Marking and instructions
K) t0 R4 l* h# y/ x | 7.10
: \, f# k3 G1 p2 X, `8 ?" P | 60335-1(ed.3)
7 v3 j% o& w, I& I: e. Z |
& D! s# z1 y$ H$ n3 OStandard: IEC 60335-1:1991, 3rd Ed.4 y' T5 q* B6 f( l" q; P( _; A
Sub clause: 7.10
L6 I q3 I) U0 uSheet No. DSH-475; G/ A# f9 Z# V3 m1 {0 ^1 S% T
Subject: Marking and instructions
# B2 Q6 N& A# {! u7 M5 A$ ~! tKey words: - marking
' G0 h; i4 R" f4 A! [) s& O) BDecision taken at the 40th CTL meeting 2003
) w! g$ u5 S9 j2 f0 o8 Z/ hQuestion:
& M1 f3 _; z1 I( A/ a: nDoes a push-push mains switch need to be marked to indicate on/off positions?
: [6 a$ U0 u& i4 ~! U# WRationale:" j. t, T% ]& q6 F" y6 k/ d
See question.9 G! A% \9 m* c. h8 P
Decision:
. U B" ^, a- D ^. y1 BA push-push mains switch for stationary appliances needs a visual means (e.g. according to
1 J! J2 K7 h' l$ B5 GIEC 417 "Graphical symbols for use on equipment") or a lamp to indicate clearly whether% B/ x* [& y+ x) q! |3 `
the switch is in the on/off position. The marking should be on or near the switch.! \. J# E: \7 T G0 ?9 v& t
9 r3 G! x$ J) J- g' {8 |8 l
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发表于 2012-9-12 12:39
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