关于UL和IEC对于灯具定义的区别

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IEC60598：luminaire
apparatus which distributes, filters or transforms the light transmitted from one or more lamps
and which includes all the parts necessary for supporting, fixing and protecting the lamps, but
not the lamps themselves, and where necessary, circuit auxiliaries together with the means for
connecting them to the supply。


UL1598：Luminaire – a complete lighting unit consisting of a lamp or lamps, together with the parts designed to distribute the light, to position and protect the lamps and ballast (where applicable), and to connect the lamps to the power supply.


IEC标准明确指出灯具不包括光源，UL标准是否包括光源。
谢谢。