With explosion-protected ballast box or explosion-protected ceiling lamp box;
可配防爆镇流器箱或防爆吊灯盒；
The invention can realize the compatibility of multiple powers and multiple voltage systems and the modularization of the ballast box.
可以实现多功率多电压制式的兼容以及镇流器箱的模块化。
The ballast junction box and the high of lamp-post can be matched by users' choice;
镇流器，接线盒及灯杆高度可由用户选择；
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