This standard specifies the sample installation and test methods for mechanical testing of insulators. This part applies to mechanical tests of porcelain and glass insulators (including bushings, post insulators, insulating jackets for electrical products, line insulator strings and their components).
GB/T 775.3-2006 Referenced Document
GB/T 2900.19-1994 Electrotechnical terminology.High-voltage test technique and insulation co-ordination