DIN EN 60684-3-214:2014 絕緣軟套管. 第3部分: 各種型號軟管的規格. 活頁214: 中厚壁不阻燃聚烯烴熱收縮軟管 (IEC 60684-3-214-2013); 德文版本EN 60684-3-214-2014
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 214: Heat-shrinkable, polyolefin sleeving, not flame retarded, thick and medium wall (IEC 60684-3-214:2013); German version EN 60684-3-214:2014