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UL1082的接地要求:) ^. @, Q$ T4 Y; X
25.2 All exposed dead metal parts of a cord-connected appliance that is equipped with a grounding
& \, {; K; y, a+ W8 }5 u& W5 _conductor, and all dead metal parts within the enclosure that are exposed to contact during any user
3 c! n; Q6 E7 K- w4 E5 Gservicing and are likely to become energized, shall be conductively connected to the grounding conductor
; E$ L4 A* y% Q' ~! C8 _7 M. gof the power-supply cord. The grounding means shall comply with the requirements in Resistance of8 i6 H9 m. r1 g& q- H0 n7 K
Grounding Test, Section 29.美标本身看的有点头疼,字面意思,我带接地的器具,外面所有的金属部件都要接地?我紧固在塑料中的螺钉要吗?. g: n2 [: I- q- K. G
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- a8 E$ K9 e" f对于提供接地式电源线的器具,所有外露不带电金属,以及位于器具内,在用户维护时可被触及可能变为带电的不带电金属,应与电源线的接地导线连接。接地措施应符合25A章的要求0 I6 {( a8 N, H. a: `
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