1. Marking 標(biāo)記; 2. Dimensions and dispositions 尺寸和配置; 3. Clearances, creepage distances and solid insulation 電氣間隙、爬電距離和固體絕緣; 4. Accessibility of live parts 帶電部件的可接近性; 4. Provision for earthing 接地規(guī)定; 5. Construction 施工; 6. Screws, current-carrying parts and connections 螺釘、載流部件和連接; 7. Resistance to ageing 耐老化; 8. Resistance to humidity 耐濕性; 9. Insulation resistance and electric strength 絕緣電阻和電氣強(qiáng)度; 10. Temperature rise 溫升; 11. Mechanical strength 機(jī)械強(qiáng)度; 12. Resistance to heat 耐熱性; 13. Resistance of insulating material to abnormal heat, and to fire 絕緣材料的耐熱性和耐火性; 14. Resistance to excessive residual stresses and to rusting 抗過(guò)度殘余應(yīng)力和生銹。