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| | Overcurrent Protection, Note3 \& Y2 T: X4 s' B2 Q8 ~4 e
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| 61010-1(ed.1);am1;am22 C9 t$ B9 U$ k. [0 B
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Standard:
]; ?8 f# r/ t2 J' n! o5 AIEC 61010
8 z+ v8 }) V) H6 P$ @Sub clause:2 O0 D* N& B( i( a+ j' G5 `
9.6
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$ J/ h8 }0 {- J7 i6 z# HPage 1(1)) t0 Y! e" l) |# i e5 S
Subject:
/ _8 e% E; x6 n3 E7 D8 f2 C; @7 NOvercurrent Protection, Note" n ^) X2 v! c
Key words:0 j: Y, P! D; Y; H; l6 N n
- Mains2 S# a! {; ^/ {7 Z6 W
- Fuse
( ^& j( |5 h7 k B9 v8 I5 e! v( YProvisional decision taken by ETF3 and confirmed by CTL at its 38th meeting, in Toronto
, z' l# X& s7 B- n9 x6 V3 p0 WQuestion:
& P8 H6 V" c% JThe note recommends that both supply conductors are fused. How is this recommendation applied?
4 X' m; U6 l" |6 ?. i3 U PDecision:
0 Z4 r9 ~1 N% ?5 K8 Y4 \+ E8 X/ MThe standard allows the use of a single fuse and therefore, under CB rules this is accepted.
2 b6 }& E! u% ^3 l/ d4 u4 m0 ~3 VExplanation:6 P& n) m( L# {* P
Where a supply is not polarised then equipment employing earthing for protection should be provided with a fuse in both mains conductors.; ]2 p# z# d0 O( [! B( w! r2 ]# i& [
Evaluators are requested to draw the attention of submittors to this situation and make an informative note in the report as appropriate.
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