按IT/AV产品标准做的话，没有问题，只要在保险丝后面就OK
如果是灯的呢？有没有这方面的经验或案例 不需要安规电容，但是做认证时，一般会控制其电容参数，比如额定电压，容量，温度；
举个例子，一般的小夜灯或者非隔离的电源，保险丝之后，很多采用的都是阻容降压方式工作的；直接用一个CBB电容并电阻然后带灯珠，即可正常工作。 可以没有这个容，但是如果有就一定要是安规电容，见24.1.1 A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady
state test as specified in 4.12 of IEC 60384-14 shall be as follows:
。。。
Rules for the application of Table 1C
1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor.
2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or
REINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING
VOLTAGE across the insulation being bridged, determined according to 2.10.2.2.
这里强调的是L与L之间，L与N之间的绝缘是功能绝缘，而不在于电容前端是否有电阻，所以我个人认为嘴跨接在L与L之间或L与N之间的电容仍然是安规电容，需要符合IEC 60384-14的要求。
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