【摘要】 对用于II类、2区爆炸性气体环境的“n”型防爆白炽灯进行了介绍 ,主要叙述了“n”型防爆白炽灯的结构要求 ,指出 :当实际的爆炸场所分区划定后 ,根据其具体使用环境来选择合适的防爆电气设备很有必要 ,这样既能确保安全又避免了浪费更多还原

【Abstract】 The necessity that different explosion protection type is used in the different location classified is the main subject of this article. It mainly presents the structural requirements of Ex"n" incandescent lamp and points out that it is necessary to select the explosion protected electrical apparatus according to the actual operating conditions after the hazardous location is classified,therefore,it can be ensured not only to be safe,but also to be effective.更多还原