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关于SPT-1的要求,参考UL1598以下条款:0 h3 R% ^3 d H7 [) Q0 X
6.13.3.2 The following conductors specified in Table 6.9.1 (CAN) or 6.9.2 (USA) shall be permitted to be5 i6 [4 t2 W1 V6 p/ H" }
used without additional mechanical protection:$ y6 S2 o, }5 \
(a) flexible cord with insulation thickness equal to or greater than Type SPT-2;
, O, k2 @9 R7 G+ r& I(b) flexible cord with insulation thickness equal to or greater than Type SPT-1, routed through7 I7 K2 V1 ~" L( S M9 Q4 ~
the chain of a chain pendant luminaire; or
2 w) ]* r0 X& Z(c) other conductors of minimum insulation thickness 0.80 mm (0.032 in), routed through the! i8 f+ d7 A4 W- Q. ^/ Y5 R
chain of a chain pendant luminaire.2 q' w, s: R+ K) ]: M: m( A
20288的要求,参考UL1574以下条款:$ Z2 n, I) J- E$ N! P
40 Enclosures. a' u/ q8 W% E1 q' t
40.1 All splices, components, wires, and leads shall be enclosed in material that complies with the; j9 s4 c1 s# e" S
requirements in 40.2.
. q+ R9 R9 o9 q* Q+ H, mException No. 1: The contact blades of an adaptor need not be enclosed.. e+ |, k0 A# Y* `, ?7 ~' ~
Exception No. 2: Wiring need not be enclosed if it consists of:
& {1 ^$ P- L4 j6 v* y- na) Leads within a single 0.020 inch (0.51 mm)-thick glass fiber sleeve;
/ X# C7 C$ |+ G+ G3 \7 ^& @& I5 Yb) AWM Style 20288;
: N0 w1 A! o" g7 wc) Flexible cord with insulation equal to or greater than Type SPT-2; or% _' h, a$ Q! X
d) The equivalent. |
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