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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:
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22.33 Modification:
4 B$ p: o+ z* ~Liquids may be in direct contact with live parts of bare heating elements and may be heated using electrodes.
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% o; T" i& Q7 I& d% n27.1 Addition:
. ]4 X$ N" `9 t( y% u% AFor class I appliances incorporating water heaters having bare heating elements, the water
1 d8 k" \# R0 y q2 nshall enter and leave through metal pipes that are permanently and reliably connected to the' o" _" v3 F% B
earthing terminal or flow over metal parts that are similarly earthed.
( T; H0 m7 \: t( P; cNOTE 101 Examples of such metal parts are grids or rings.$ A* \1 _, {$ r- R( d' D6 t5 ~
NOTE 102 Parts that are liable to be in contact with excrement are considered to be accessible. |
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