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回到未来 发表于 2017-3-26 12:58 
' \$ ~4 K# M6 i s- z2 D. s; o请教J大,dry/damp/wet跟indoor/outdoor,这两种概念之间是什么关系? ) A3 q7 V8 a& w+ l4 v0 C( }
关于这三个概念,请参考如下:/ w8 R& \7 g5 e7 ]* @
Location, damp – an exterior or interior location that is normally or periodically subject to condensation" a( Y$ Y1 k8 b9 q) h
of moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations.: [: |+ }* L& u; H% j! R2 |0 P( ~
Location, dry – a location not normally subject to dampness, but may include a location subject to
# P7 l- o, y3 d1 R' ktemporary dampness, as in the case of a building under construction, provided ventilation is adequate to
p" M9 Q& M- K& J! u* Zprevent an accumulation of moisture.
) B m. L4 A* [3 d2 t3 h k6 d# NLocation, wet – a location in which water or other liquid can drip, splash, or flow on or against electrical/ f- I9 T. t1 q) j* e' @. J8 n% L4 r
equipment.
2 f: }) Y: u7 W0 `# U) xINDOOR USE – Use in an indoor location or where wet contact is not likely to occur.' c7 S" o/ X' J+ F
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