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发表于 2012-8-31 16:23
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jsspace 发表于 2012-8-31 15:38
; F6 e9 @ {6 k# q两个温升测试都要做! 9 z3 D7 p1 D2 w' o" Y; Z
不是吧?为什么要做两个呢,按我理解不是应该根据安装环境来选择的吗,我们这OOLV是半成品,应当是1993中8.5.3(e)的第3款来定的吧?实在是混乱,还望前辈帮忙解释一下,谢谢了。
R% d8 j& L- L, h" _% o% Ue) A device with an input rating greater than 50 W and
) @! P; n$ i6 u. y& c# v, y( v1 K* Z: A1) Marked for installation in a fully enclosed luminaire with minimum lamp compartment
. S) ^/ t2 s! Fdimensions in accordance with Table 10.1, Items 23 and 24, shall be normal. w' u9 H0 I3 C2 U; l% d
temperature tested with the device mounted base up in the test fixture described in
( e8 m0 Q4 t2 x1 T8 m) n6 D5 K' J+ aClause 9.5.2,4 C e) T6 s7 H- f# ?
2) Marked for installation only in an open surface-mounted luminaire in accordance with
8 J, [! Z u3 ?* [Table 10.1, Item 25, shall be normal temperature tested with the device in a lampholder6 L0 B! j' ^' E: F9 U* B
mounted to the outlet box on the insulated test ceiling described in Clause 9.5.3 and) I# C w, f: m, O
depicted in Figure 9.2, or
* O& z: b+ \8 `- X3) Marked for installation in a specific luminaire only in accordance with Table 10.1,
1 W" n( Q0 H+ v( UItem 26, shall be normal temperature tested in the specified luminaire in accordance6 I- V J) @0 Z$ _0 C7 i# G" e/ t
with UL 1598 and CAN/CSA-C22.2 No. 250 for the luminaire type |
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