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SVT 18AWG/2C CORD
$ F3 r7 H v! W1 U p% F U1 ]/ j0 ?
& o" [) ? R; c2 z% h2 C2 {0 j在UL62----2006版里面.
) E$ v; g- e& P( l) wTable 18里面没有说SVT这种型号呀~都是SPT,NISPT等类型.
! ?; u* \4 D1 J/ x1 C MSVT的型号的结构要参照Table 207 Z7 v) f5 s6 E% z8 B% B; s
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/ Y0 V+ e. D+ l v1 x
在Table 20里.
5 `0 l: \5 E) E" F) z; PMinimum and average thickness of jacket , Table General ,Clause
0 R$ U0 `* l# w5 O; z有说明参照54 4.1.6
+ l5 p2 m0 S5 J8 I) o8 r9 c3 x这里的54指的是Table 543 N* j z0 j4 V9 B; w
在Table 54里,有说明SVT型号的Minimum average thickness 0.76! ^ Z k; |( S: m
Minimum thickness at any point 0.61" X' H# u7 |6 k8 Q1 B
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E' \! Y1 z0 _7 m; ^: i1 q1 d2 j6 v4.1.6 Jackets
- I* q9 Y1 q- C3 d/ A; a4.1.6.1 General# `4 {1 Q. U9 }, ]
If a jacket is required, the conductor assembly of the cord or cable shall be covered by and properly
; P. Q: |0 `& z1 n/ [; Ncentered within the jacket. The jacket shall be applied directly to the conductor assembly or binder, if one
& [6 C ?4 x, eis used, and shall fill all the spaces, if any, around the conductor assembly.
# B) J& ^4 ?7 |, PJackets with a total thickness of 1.52 mm (0.060 in) and greater shall be permitted to have a reinforcement% A& i1 w7 v$ u' v
consisting of an open weave or the like, placed between adjacent layers of the same class, that shall not
/ I6 t; ]% R* G, |3 dbe readily separable. Jackets with a total thickness of 2.41 mm (0.095 in) and greater shall be permitted
, A8 G( ?; I% u L( Z) Sto consist of separable or non-separable adjacent layers of the same class. If separable, the outside layer
! }: G+ |/ `& ?shall be at least 50% of the total thickness measured. If applied in more than one layer, both layers shall/ T; @7 `6 U! y2 O
be of the same class. Adjacent layers shall not be readily separable when the total jacket thickness is less
0 h% L" d2 ~; \than 2.41 mm (0.095 in).3 C2 M" D7 y$ c
All jackets shall provide an essentially circular cross-section for the finished cord or cable, except for Type
& U* T, j* D. k GDRTc that shall be used with a moulded-on male plug only and for non-integral parallel cords. The classes6 d. p0 @0 `( G7 i' N8 ]9 h
of jacket provided in this Standard are shown in Table 11. |
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