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关于SPT-1的要求,参考UL1598以下条款:! j" k% Z6 c$ P* C( F- S2 C
6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be2 O0 t! y, Y" l2 T
used without additional mechanical protection:
& |) q; d8 y$ D1 F(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;/ X0 j: m1 j6 v# h) D, F, V
(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through7 R! s" r" f2 N5 W q
the chain of a chain pendant luminaire; or: \9 L! O+ n& H" g8 W
(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the+ z' e7 B1 \+ y2 O; n
chain of a chain pendant luminaire.4 f$ v% E4 |% o
20288的要求,参考UL1574以下条款:
$ L* h+ C. n2 c4 w5 m$ Y40 Enclosures
8 t0 ?* V; {$ e6 T# x) l/ p; J8 |40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the
2 N+ X# p `& ]9 e# l6 Xrequirements in 40.2.
. G+ q7 i# R% A" x% N A2 OException No. 1: The contact blades of an adaptor need not be enclosed.
$ c4 |1 B$ P+ @' Q0 i, J- gException No. 2: Wiring need not be enclosed if it consists of:4 y Q) c1 y* |+ L r1 v# N% O( ]
a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;9 j' d n: E$ f
b) AWM Style 20288; |+ Y U' t! l; b
c) Flexible cord with insulation equal to or greater than Type SPT-2; or2 j+ J6 [8 w+ J1 b; C, ~9 N- I- x! b) M
d) The equivalent. |
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