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我想求教下19.5节的标注
* |% M3 L! \: l( `19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances. _( F4 d" D& Y9 Z; d* P" m5 O
incorporating tubular sheathed or embedded heating elements. However, controls are not
2 |0 a) ~% }. D+ m5 Rshort-circuited but one end of the element is connected to the sheath of the heating element.
3 B0 T* p9 J2 k t" y/ Z3 g- YThis test is repeated with the polarity of the supply to the appliance reversed and with the4 E+ b" e3 |9 y T9 @ |
other end of the element connected to the sheath.& J3 q$ q$ j" g0 A
The test is not carried out on appliances intended to be permanently connected to fixed wiring& m: N4 ~* o/ P/ e& @) ^
and on appliances where an all-pole disconnection occurs during the test of 19.4.
: t: b3 N4 ^, c+ ]1 sAppliances with a neutral are tested with the neutral connected to the sheath.) D6 y; w w& y9 X: n
这个是不是指的就是电热类的产品,类似像锅子或者水壶之类的内部有个加热管,然后加热管的两端必须得跟温控器链接在一起而且是强行规定的不知道是不是这个意思通过检视就可以了。4 {* j7 K! Y, ^, Z p+ h# X& n6 ]
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