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IEC 60335-2-84(Household and similar electrical appliances – Safety –Part 2-84: Particular requirements for toilets)也允许用电极加热的:, h$ j! i& m( M; G( z
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22.33 Modification:6 r7 k5 w2 P4 I% V L( _' s- q
Liquids may be in direct contact with live parts of bare heating elements and may be heated using electrodes.9 T6 _3 M# I8 q( |5 I8 [
( E; P, K4 N* {% x D27.1 Addition:
" F+ C- O! _8 z6 y7 l0 L8 {For class I appliances incorporating water heaters having bare heating elements, the water
+ W4 `4 M! A" h/ Yshall enter and leave through metal pipes that are permanently and reliably connected to the
0 _2 e7 P6 C* _" Qearthing terminal or flow over metal parts that are similarly earthed.
$ j) z- N7 L x0 N) v v; gNOTE 101 Examples of such metal parts are grids or rings.
, Y6 l/ ]7 i( C& V9 jNOTE 102 Parts that are liable to be in contact with excrement are considered to be accessible. |
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