爆炸性气体环境用电气设备 第15部分:"n"防护型电气设备的结构、试验和标记

[中文适用范围]： IEC 60079的本部分规定了用于爆炸性气体环境中的具有保护类型“n”的II类电气设备的构造、测试和标记的要求。本部分适用于无火花电气设备 [外文原描述]： This part of IEC 60079 specifies requirements for the construction, testing and marking for Group II electrical apparatus with type of protection, "n" intended for use in explosive gas atmospheres.This part is applicable to non-sparking electrical apparatus and also to electrical apparatus with parts or circuits producing arcs or sparks or having hot surfaces which, if not protected in one of the ways specified in this standard, could be capable of igniting a surrounding explosive gas atmosphere. This standard describes several different methods by which this can be achieved which may be combined with other methods described in IEC 60079-0. This part supplements the general requirements in IEC 60079-0.