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关于SPT-1的要求,参考UL1598以下条款:3 {2 e5 M& Q0 [8 g9 n4 t2 b* e) ^
6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be
2 j+ T( y/ A/ |+ n; c/ Nused without additional mechanical protection:
: |3 [% f! A1 w9 X# {- S9 ~(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;. H! y- V* H$ n% k7 W
(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through+ T. \/ B, l }2 g
the chain of a chain pendant luminaire; or9 f/ f) a1 W* N4 x: g! U" ~
(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the
" L1 U8 [9 e6 cchain of a chain pendant luminaire.; v+ \: v) `/ c9 h, s' c& Z
20288的要求,参考UL1574以下条款:, m; j7 d" J/ i7 h% j9 k' ]
40 Enclosures$ z2 W& x3 o7 l6 f8 y2 b( H
40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the
8 M" h1 Z! P# Irequirements in 40.2.
) o) n$ O# f9 I2 O& AException No. 1: The contact blades of an adaptor need not be enclosed.4 V1 D2 i, G+ k6 C; ?
Exception No. 2: Wiring need not be enclosed if it consists of:
0 r4 l2 m% E2 F% |a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;
9 V8 @ M# w" Y: s: e) Rb) AWM Style 20288;: \# Y4 C6 T' N: q8 Q' h4 b
c) Flexible cord with insulation equal to or greater than Type SPT-2; or
+ D, j. t& U( O0 Fd) The equivalent. |
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