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关于SPT-1的要求,参考UL1598以下条款:
3 M$ j, b, R, J) J1 S% h' `* O1 K: N6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be b: O- e) D! w4 M6 g3 D7 l
used without additional mechanical protection:3 v7 h+ r& `" p( u1 V7 W' Z |3 ?
(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;; _7 w5 N, ?6 c5 j5 J K7 I
(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through
6 ]0 Z( a O0 V/ k: U+ z/ tthe chain of a chain pendant luminaire; or
: d- {! @9 l) { R4 u3 Z$ y3 i( A(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the
8 `4 z; y. n( G7 d& @* o g* R' \chain of a chain pendant luminaire.
' h" m! h& o! f5 O/ T20288的要求,参考UL1574以下条款:% w* D2 J8 E/ {
40 Enclosures
0 {- y; s; j+ J7 w0 N/ q `; o. D3 u- V40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the3 R% s8 z$ e# V2 ?/ p1 U4 T6 P
requirements in 40.2.
! `7 b) T/ l& R W7 W3 l0 T8 nException No. 1: The contact blades of an adaptor need not be enclosed.7 V, }" v2 u" N! w' o
Exception No. 2: Wiring need not be enclosed if it consists of:6 j+ q% f7 U0 r2 i
a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;$ ^3 m# N* E% H( b. T3 {1 D
b) AWM Style 20288;% k1 G1 A9 @: I) L/ L* J
c) Flexible cord with insulation equal to or greater than Type SPT-2; or
$ W. R5 U0 N5 @! n1 [7 wd) The equivalent. |
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