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关于SPT-1的要求,参考UL1598以下条款:
' q u; J" i) x/ W( d2 Z- x% |6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be; i6 k. e4 r, _$ b/ O* N
used without additional mechanical protection:
' R0 _, K1 l7 ^(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;
$ @. K: w( [! w1 }+ k% q(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through
. v1 q% Y7 |9 R$ C1 f) I0 ythe chain of a chain pendant luminaire; or
4 b c4 p' J. z9 f. `0 Y" P(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the: u% i6 V1 c: c7 F; n+ d
chain of a chain pendant luminaire.
# i& h5 A6 [, r; v G! j" t20288的要求,参考UL1574以下条款:5 V' G+ j, |" C! H! n$ I% J. v
40 Enclosures
; ?! G0 k' R& G8 M9 ^' x40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the0 {8 W6 h2 S# F o
requirements in 40.2.% {4 @2 M& b8 t+ z
Exception No. 1: The contact blades of an adaptor need not be enclosed.! ~% _. ~+ D2 k) Y1 L* T
Exception No. 2: Wiring need not be enclosed if it consists of:: g- Z# \) J' Z' K$ m0 s8 _
a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;
) ]- O5 Y( [. n0 y$ a. u- ~b) AWM Style 20288;2 e9 ~7 q; O3 E, r1 T ~ U4 C2 Z
c) Flexible cord with insulation equal to or greater than Type SPT-2; or
$ p# R" y _: M; `9 ?9 m1 zd) The equivalent. |
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