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关于SPT-1的要求,参考UL1598以下条款:
; `& m5 X1 u) v. n Y% m1 r3 m0 ~( w6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be
5 g! d' ^ V' m+ e6 Bused without additional mechanical protection:
8 U; ]# `% L) M1 X(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;
9 P, B0 Z5 e: @4 F2 ~( c" ^(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through1 F$ i h2 r: {: s. ~) R& r
the chain of a chain pendant luminaire; or3 M# g' K1 a6 c4 }' _6 Z; O' t2 V
(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the+ l6 w+ l9 O& y3 d1 W$ h: j8 D
chain of a chain pendant luminaire.% f. m: {; @' c. X1 L) V5 y0 M2 X
20288的要求,参考UL1574以下条款: O/ P+ u0 n, |9 j- T
40 Enclosures
. u) [. m* o7 l4 l40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the5 n/ N) U5 A9 K1 V$ G, o! Q- K) x
requirements in 40.2.
/ F8 x+ W& k# U, O, mException No. 1: The contact blades of an adaptor need not be enclosed., J# X" v9 _. s- A
Exception No. 2: Wiring need not be enclosed if it consists of:
2 _0 _( ^0 F$ Ja) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;8 g9 g# T/ G; ?3 N" b- g2 O
b) AWM Style 20288;* n) E9 e2 k7 A! a1 Y: q: j
c) Flexible cord with insulation equal to or greater than Type SPT-2; or1 L) L; Q% E* i8 ^9 Y+ i1 e0 f
d) The equivalent. |
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