IEC 61034的本部分提供了用于测量烟雾的试验装置的详细信息 当电缆或光缆在规定条件下燃烧时的排放，例如， 几根电缆水平燃烧。燃烧和燃烧条件下的透光率（lt） 阴燃条件可作为比较不同电缆或遵守法规的一种手段 有具体要求。交叉引用:IEC指南104IEC 13943:2000EN ISO 13943:2000IEC 60695-4IEC 60879:1986取代了BS EN 61034-1:2005+A1:2014，该指南仍然有效，包括以下内容:修订，2020年3月；修正案，2014年5月

This part of IEC 61034 provides details of the test apparatus to be used for measuring smoke emission when electric or optical fibre cables are burnt under defined conditions, for example, a few cables burnt horizontally. The light transmittance (lt) under flaming combustion and smouldering conditions can be used as a means of comparing different cables or complying with specific requirements.Cross References:IEC Guide 104IEC 13943:2000EN ISO 13943:2000IEC 60695-4IEC 60879:1986Replaces BS EN 61034-1:2005+A1:2014 which remains currentIncorporates the following:Amendment, March 2020; Amendment, May 2014