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关于SPT-1的要求,参考UL1598以下条款:
% D3 r% s- b0 {9 }6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be
& T. P: s$ [1 F' t* F1 _used without additional mechanical protection:5 v7 o/ I, I& E, A
(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;* o- ]$ r: i2 |+ K! U7 X
(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through; F: N! O- J+ o7 y4 B7 `) e2 p
the chain of a chain pendant luminaire; or& T! \( }) ]0 u& ~9 @
(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the: T) y. E, F# Z1 @% e' @2 Q* ^
chain of a chain pendant luminaire.
3 g: G1 V7 }4 {( n' d. K. D$ Z20288的要求,参考UL1574以下条款:3 m* B D! c8 v# x& G: n
40 Enclosures" r0 ?9 v- v. I
40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the
2 U \2 O* l2 O8 n/ Vrequirements in 40.2.9 Q" D6 ]# x+ q/ M9 K9 X' \) X
Exception No. 1: The contact blades of an adaptor need not be enclosed.. h7 |- j6 O6 n% H
Exception No. 2: Wiring need not be enclosed if it consists of:/ l; l5 ^! U I# }8 S. R
a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;4 S( e0 N T" e6 k
b) AWM Style 20288;: m1 a9 z6 X0 b6 y* ^* ?) R
c) Flexible cord with insulation equal to or greater than Type SPT-2; or2 T5 N3 M; Q$ T, w
d) The equivalent. |
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