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回到未来 发表于 2017-3-26 12:58 
. \' T& ?8 R. J- s, L1 T! m请教J大,dry/damp/wet跟indoor/outdoor,这两种概念之间是什么关系? 0 L7 E, z8 U+ e* M
关于这三个概念,请参考如下:0 T) ~! Z, y4 v4 z
Location, damp – an exterior or interior location that is normally or periodically subject to condensation8 U0 }' D0 e# U3 @3 R5 C. R$ `
of moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations.
) J M# U- l5 x8 v2 t3 RLocation, dry – a location not normally subject to dampness, but may include a location subject to
+ r' Y- H% w: I7 r1 k. Etemporary dampness, as in the case of a building under construction, provided ventilation is adequate to9 k% z+ j, p$ @. F- u6 K
prevent an accumulation of moisture.8 _* x# c: G, u M# L$ C" @8 w5 \0 ~
Location, wet – a location in which water or other liquid can drip, splash, or flow on or against electrical
% p! a; h4 ?& ~- G3 r# Requipment.
' h6 A+ S& S0 a- z0 QINDOOR USE – Use in an indoor location or where wet contact is not likely to occur.! o& }# D' Q4 ^$ d
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