|
关于SPT-1的要求,参考UL1598以下条款:2 C. V% D( b, p9 e, o0 b' Y: E- @
6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be- f( O- v2 ^; m# o% b4 ]+ d; m
used without additional mechanical protection:$ _- i( l( \6 n) \7 z# G% A
(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;
8 g6 A. U7 D3 p- g ](b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through
0 `0 _5 |5 M1 K0 J% V! \, Wthe chain of a chain pendant luminaire; or
' R" X- y3 x% Z1 C: p2 f(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the
F& a4 J0 U# b% Z0 C& T3 |chain of a chain pendant luminaire.
. F% r# i* L( W# g' |20288的要求,参考UL1574以下条款:
0 {3 a% t% u x0 V/ V) o40 Enclosures; b, E: o& r y3 a. \$ |
40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the- C8 y0 Z' m& {1 S3 B( c# k, [
requirements in 40.2.
( t, ^! z' N* r( WException No. 1: The contact blades of an adaptor need not be enclosed.
2 R& N4 m5 t& ^( d$ F yException No. 2: Wiring need not be enclosed if it consists of: q3 {& H" H* W" j
a) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;
; e% R/ L& x1 Z, E9 k- Kb) AWM Style 20288;1 X# \- w% T9 C7 C
c) Flexible cord with insulation equal to or greater than Type SPT-2; or$ ]1 }5 n. f! H% V# n# N5 t h
d) The equivalent. |
|