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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：
5 l$ f$ k* A" m, _1 [/ ~% a5 f9 V7 O7 I7 J
22.33 Modification:
* B% A! o: L# ^Liquids may be in direct contact with live parts of bare heating elements and may be heated using electrodes.: C7 U z3 c# T5 Q" U2 p$ x
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27.1 Addition:
( l4 N) @: m5 m4 L4 @, q' Y; _* g0 ~For class I appliances incorporating water heaters having bare heating elements, the water
( c) h4 y' n6 H/ Lshall enter and leave through metal pipes that are permanently and reliably connected to the
3 d8 N9 q8 S: V. P5 h! g8 Vearthing terminal or flow over metal parts that are similarly earthed.
; o( z5 r3 J* Q L7 \NOTE 101 Examples of such metal parts are grids or rings.+ i9 ~! k: T- R* p9 @% J7 n8 R
NOTE 102 Parts that are liable to be in contact with excrement are considered to be accessible. |
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发表于 2011-6-25 10:42
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