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回到未来 发表于 2017-3-26 12:58 
$ R/ P- O; \1 w" T' e, B) o请教J大,dry/damp/wet跟indoor/outdoor,这两种概念之间是什么关系?
0 u5 b" k. v1 \* d" T0 ]3 P关于这三个概念,请参考如下:
% X" j( j6 T4 @1 B4 _( ~% z' QLocation, damp – an exterior or interior location that is normally or periodically subject to condensation
" K. }* [4 ~, m& zof moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations.: t' F6 @, v+ ]# S
Location, dry – a location not normally subject to dampness, but may include a location subject to: @1 F/ C+ O1 |% {* x, Y
temporary dampness, as in the case of a building under construction, provided ventilation is adequate to
; X( }2 k- [" u: }, V6 Q3 M1 tprevent an accumulation of moisture.
7 {4 z( Q @0 X3 N0 S9 }2 mLocation, wet – a location in which water or other liquid can drip, splash, or flow on or against electrical
$ O5 {) s G: k' hequipment.5 I$ C0 S: F. h+ |- C) V* ]5 `
INDOOR USE – Use in an indoor location or where wet contact is not likely to occur.6 y* J! v" d# r
5 m2 ~' I: [0 ^2 \! a
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