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回到未来 发表于 2017-3-26 12:58 
/ D+ R( R4 z3 S* [& G0 Y请教J大,dry/damp/wet跟indoor/outdoor,这两种概念之间是什么关系? ) p, S& V$ P6 E [1 z! f; D3 P
关于这三个概念,请参考如下:; g$ P. a: T+ m: _% |0 `' q
Location, damp – an exterior or interior location that is normally or periodically subject to condensation0 f2 v7 b0 g, h/ ?
of moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations.
, Z) u$ J; y$ z& A6 uLocation, dry – a location not normally subject to dampness, but may include a location subject to# |0 g! x: h* O' O, b
temporary dampness, as in the case of a building under construction, provided ventilation is adequate to
@+ f3 D: g; U7 Y# C7 xprevent an accumulation of moisture.1 v) M* S+ J0 A1 C- A5 I
Location, wet – a location in which water or other liquid can drip, splash, or flow on or against electrical
- ~: u& T/ T$ U: X( d: yequipment.& m8 d' f2 k: J/ R2 K
INDOOR USE – Use in an indoor location or where wet contact is not likely to occur.
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