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EN60335-1对I类电器的定义$ M, o! F# c c# i' M4 R1 x
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6 V3 X& P$ z$ E: ^/ Yclass I appliance
4 G5 h6 v+ s# I: aappliance in which protection against electric shock does not rely on basic insulation only but which includes an additional safety precaution, in that conductive accessible parts are connected to the protective earthing conductor in the
) d7 N- m4 g( T: H7 p# ?/ Vfixed wiring of the installation in such a way that conductive accessible parts cannot become live in the event of a failure of the basic insulation6 Y- D K; o0 [
NOTE This provision includes a protective earthing conductor in the supply cord.
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z+ G+ g# E* j4 _# ~' u0 [对接地线的要求
0 q- t$ @8 L0 s5 G" @0 tConductors identified by the colour combination green/yellow shall only be used for earthing conductors.- {8 |0 O, |3 W4 J/ m
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接地电阻的要求
' D- B' j# u3 ~' ]9 Y5 u2 tThe voltage drop between the earthing terminal of the appliance or the earthing contact of the appliance inlet and the accessible metal part is measured. The resistance calculated from the current and this voltage drop shall not exceed 0,1 Ω. |
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