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|
|  DSH 264
! e: l) v5 v# @* F5 w9 r |8 o- p' U: T r
| Crimp connection for internal wiring' i9 Y2 ?) w7 f7 W7 v0 u
| 30& q: Y! }7 F' W: l
| 60335-1(ed.3)& O. B b a# ?) k0 I4 J7 U
|
0 I6 O0 W7 g$ QStandard: IEC60335-1, Ed. 3 Clause: 30 Sheet n. 2644 D# M; y+ N& |; G( A5 q( x+ M& d, _
Subject: crimp connection for internal wiring* K0 e. H: r4 d: n! y( |) F
Key words:$ m7 m1 V6 K" b
- plastic cap,: P1 r" F: i. ^; A
- crimp connection, T* |+ E: Z& {
Decision n. 20 taken at 35th meeting/1998
2 h9 I' `# U: u7 ]Question:
0 r! J. w7 w' q) ~0 B3 [The figure below shows a crimp connection used for internal wiring
R7 h/ {& k g6 c+ D
4 v$ m3 z% I: D' Kthe plastic cap provides basic insulation.& E2 ~/ m# V R6 r
Does the plastic cap retain live parts in position so you have to make a ball pressure test at; n& s8 u9 o1 ^1 e- K/ z( f9 t# P
125°C (clause 30.1) and a glow wire test at 850°C (for unattended appliance, current more
; d8 P! D1 u5 U. e' ~9 ~2 k) P& `than 0.5 amps) ?- z8 w) ]# k; y( o5 Y: N
Decision:! K C( H/ S9 v; u$ s9 X5 ^
The plastic caps doesn’t retain in position the live parts, so the ball pressure test does not be
6 E4 O8 I. x G# Q f, ?2 gcarried out. Subclauses 30.2.2 and 30.2.3 apply to the plastic cap, so the glow wire test has
( I) e" L, E9 g% A# D7 P4 nto be carried out if the connection is carrying a current > 0,5A in normal use, for appliances4 P& k+ r% N8 ^2 q& i Q/ r
other than hand-held appliances, with the following values: ^* \0 }) B$ i9 o$ `
- 650°C for appliances operated while attended
% v, N: r- ?8 _9 o- 750°C for the other appliances (except if tests of annex L are performed on the
6 t- e3 f: U% A4 x% jconnection)
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; M4 b! m3 y& s& \1 G5 C
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