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+ h9 k9 t. V: O+ k- B/ n5 k2 @
; @* F4 N" p! |6 ?* j9 {6 ?9 L |  DSH 3196 | U) L$ m/ u
| Compliance for requirements for Electric Shock Protection% ]/ k; Y" T+ @1 C8 r2 y
| 4.4.4.12 |& `8 \ c% s) i
| 61010-1(ed.1);am1;am2
; @. g: V4 e3 I% e' W |
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6 E1 v7 m. h. c! gStandard:
: ^& ]7 M4 k5 EIEC 61010-
3 \/ ~# y" ?9 l, Q" P/ \1990+A1:1992+A2:1995
: `& u1 C+ E. }* |7 qSub clause:* ?7 @0 w8 K( }8 G
4.4.4.1: v) E; U" h* A! W% [. n6 ]
Sheet n. 319
* }/ K# q$ ]2 H! T4 U% RPage 1(1)
/ J# w }6 Z; m9 VSubject:
6 X3 ?4 y s; p# wCompliance for requirements for* J z3 Z* j5 w, k
electric shock protection
. o9 i# ~% V* H* {$ @% o( V, OKey words:$ v# @( H; [9 l% ^' b' g6 X* R
- Shock W- }/ e) @# a8 o+ _
- Fault condition
/ c k9 P8 f kDecision taken by
$ @- L2 ^' c$ a0 `$ l. v2 r; FETF3 and confirmed4 ~9 Z" \9 ^4 C3 o0 ]6 d# N9 u
by CTL at its 38th
2 r1 M% @' T+ R. _( a0 wmeeting, in Toronto$ i/ B. w2 ?" w# u
Question:
`4 e0 ^- k O" ]! e& IIf a fuse operates when checking equipment in Single Fault Condition as required by1 B" }8 W/ a' ~7 k
Clause 6.3.2, should the fuse be replaced before the measurement of voltage, current and4 C5 J8 Y6 V3 N- i
capacitance are made?
6 ?7 Q/ b% H5 \1 n0 vDecision:
# ~6 d2 R* a+ O$ N) V- K" BWhere the fuse link is operator replaceable it should be replaced up to 3 times to enable the
! ~$ O4 c4 A1 c, X" Z2 K0 qmeasurements of 6.3.2 to be performed.% {$ v ]5 I$ f0 F& }! j
Explanation:
" e6 i0 k: c: ]Where operators are instructed to replace a fuse link this should be done for a maximum of 38 V h; `, U# ~% |
times and no hazard as defined in 6.3.2 should arise.
% }$ ]2 W/ \9 dWhere the link is not designated as replaceable by the Operator then this should not be done.
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2 h, S: ^, }$ ?2 f
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% T% O0 f( y2 T) q: N5 R2 b |
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