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回到未来 发表于 2017-3-26 12:58 
( r- ]0 x% S& i2 d: J4 r, ~" q3 k请教J大，dry/damp/wet跟indoor/outdoor，这两种概念之间是什么关系？
关于这三个概念，请参考如下：. ~1 f' k( E# H+ ?0 C, o$ T8 n
Location, damp – an exterior or interior location that is normally or periodically subject to condensation' x" Y1 S" a. _% i0 W5 A1 k
of moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations. v, _, H* C5 B" E# v
Location, dry – a location not normally subject to dampness, but may include a location subject to
9 c0 X" ^8 |, R0 U& ttemporary dampness, as in the case of a building under construction, provided ventilation is adequate to, M* e+ [7 q9 r- ?
prevent an accumulation of moisture.0 p& w: ?1 n1 ^% F9 v
Location, wet – a location in which water or other liquid can drip, splash, or flow on or against electrical
% h N" t1 w+ g4 ~2 Q- N0 Pequipment.
9 x2 v `' A" h& xINDOOR USE – Use in an indoor location or where wet contact is not likely to occur.! v9 Z( j% K% U
* G8 J) }* k* F+ k8 Y+ R+ R2 }/ k: _. E
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