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SVT 18AWG/2C CORD, W) F: O$ s4 H- o5 {5 w
2 b. [+ Y- v9 s3 ?( i, {( b
在UL62----2006版里面.
2 Z1 i6 J0 G4 yTable 18里面没有说SVT这种型号呀~都是SPT,NISPT等类型.4 h# v* K) o+ t# P$ v" i
SVT的型号的结构要参照Table 20- W/ e! [$ n U5 g# y j
外被的厚度参照4.1.6条款.总厚度要求1.52mm,也就是单边最小平均厚度0.76mm
1 }5 A5 i% [& r4 m0 s! I1 P5 t在Table 20里.
- I1 U/ v* t* }( _; X# t) f7 vMinimum and average thickness of jacket , Table General ,Clause
+ I- v- n& Z9 C: _3 ~( z有说明参照54 4.1.6
" \& N! |# S& l3 T1 e/ D2 k: ?+ H这里的54指的是Table 54
/ M, N& p0 j D8 [3 {# c' _在Table 54里,有说明SVT型号的Minimum average thickness 0.76
' d3 n" N+ Y! fMinimum thickness at any point 0.61
' L- b# M! [9 r" a2 |: D=================================+ t; g# s1 } h$ `7 o
4.1.6 Jackets2 T6 k, D3 Z Q S8 n4 R9 p
4.1.6.1 General' I) x! {: X3 W, w
If a jacket is required, the conductor assembly of the cord or cable shall be covered by and properly, S# V$ Y. I9 |
centered within the jacket. The jacket shall be applied directly to the conductor assembly or binder, if one
$ k. \ \! b1 ~4 k2 _) a7 T Kis used, and shall fill all the spaces, if any, around the conductor assembly./ M/ F/ Q! Q! v
Jackets with a total thickness of 1.52 mm (0.060 in) and greater shall be permitted to have a reinforcement& M4 w0 Z9 K" X4 V/ L: Z! M2 A9 T
consisting of an open weave or the like, placed between adjacent layers of the same class, that shall not1 v' g8 M& y9 X8 i- k
be readily separable. Jackets with a total thickness of 2.41 mm (0.095 in) and greater shall be permitted2 O' p3 n; z, m- R8 _8 W p
to consist of separable or non-separable adjacent layers of the same class. If separable, the outside layer4 W6 k6 I( ^; l3 c( h
shall be at least 50% of the total thickness measured. If applied in more than one layer, both layers shall
, _: j& H. y O6 Z, l/ z& S. cbe of the same class. Adjacent layers shall not be readily separable when the total jacket thickness is less
) _) x; ~! u, z3 e; v2 Lthan 2.41 mm (0.095 in).
) }9 @8 y5 e% \! n NAll jackets shall provide an essentially circular cross-section for the finished cord or cable, except for Type
" c1 R ?7 f& ?, ADRTc that shall be used with a moulded-on male plug only and for non-integral parallel cords. The classes* u3 w4 l& I! n$ s2 N/ _" D
of jacket provided in this Standard are shown in Table 11. |
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