正常热试验时，单独的镇流器需要放在防风箱里吗？
12.4.1 Testa) For ballast separate from the luminaire, see item h) of the present subclause.
h) If remote control gear/components are supplied as part of a luminare, they shall be mounted and opeated in accordance with the nanufacuter's instructions. Temperatures of all parts shall comply with the limits specified by section 12.
疑问：
单独的镇流器但有与灯具一起提供，需要与灯具一起放在防风箱里吗？
if remote gear is not supplied as part of the luminare, the manufacturer will provide control gear typical of normal use. The control gear shall be operated in free air and in an ambient temperature of 25 oC+/- 5 oC. The temperature of the control gear shall not be measured.
而在12.3.1 Endurance test里有一段话可以看出耐久试验时，单独的镇流器是不需要与灯具放在一起的，因为灯具是话35oC 或者(ta+10)oC：
Ballasts for operation separate from the luminaire shall be mounted in free air, not necessary in the thermal enclosure, and shall be operated in an ambient temperature of 25oC+/-5oC.
另一个问题：
如果遇到这种单独的镇流器的情况，做耐久试验时，镇流器与灯具分别放在不同的环境温度下测试，各位的试验室测试环境是怎么实现的呢？ 参考61347相关要求 应该是需要的
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