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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:6 o8 ^1 b" C4 k" [% f
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22.33 Modification:3 b G K5 t7 C4 B" h
Liquids may be in direct contact with live parts of bare heating elements and may be heated using electrodes.& n6 B# K: z/ A, w' y0 z# H
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For class I appliances incorporating water heaters having bare heating elements, the water, {2 [2 E. b# `% C1 D% K
shall enter and leave through metal pipes that are permanently and reliably connected to the
/ J; i8 [3 V3 J( o. l* p" oearthing terminal or flow over metal parts that are similarly earthed.
0 y; {, q8 H! K1 _+ `1 ]9 Y2 _( B9 \/ YNOTE 101 Examples of such metal parts are grids or rings.
; }* @( U/ I* `' e) uNOTE 102 Parts that are liable to be in contact with excrement are considered to be accessible. |
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