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关于SPT-1的要求,参考UL1598以下条款:
8 n# [7 S: Y, E6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be
% e4 e, n- R3 E) Z7 [& vused without additional mechanical protection:+ C) j1 I* A0 b9 h
(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;
, e, o' X2 u! h: d4 ?2 c( L1 ~(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through1 O' J: T" @/ s: j% D, U
the chain of a chain pendant luminaire; or h9 v! j# N E2 I+ y2 p0 }5 G
(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the% E+ n& `. y) ?! E8 U
chain of a chain pendant luminaire." C( z$ y* y7 z$ h9 g) k
20288的要求,参考UL1574以下条款:
1 x2 |9 P& |, F7 A6 u! e40 Enclosures3 x" g7 p4 s" Q4 b/ |( N ?+ f+ `
40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the$ z8 x2 m- G' U8 Q+ \( |
requirements in 40.2.2 _" S2 ]( q& i' Y7 `: C$ K
Exception No. 1: The contact blades of an adaptor need not be enclosed.
- }+ I* C- f: J! H& xException No. 2: Wiring need not be enclosed if it consists of:
/ T. y2 B* S. z& i5 W& n! K% ~a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;
; F. z3 C- f" x3 ]b) AWM Style 20288;) W9 Q& @. Q/ \! J+ A
c) Flexible cord with insulation equal to or greater than Type SPT-2; or; Z$ z# \* O( L9 X3 t2 \% ]
d) The equivalent. |
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