Suspension Porcelain Insulators 1.Type:High Voltage Line Disc Type 2.creepage distance:178-279mm 3.Certificates:ISO9001:2008 High Voltage Line Disc Type Suspension Porcelain Insulators(ANSI52)Application:High voltage line disc type suspend Insulator, use in high voltage aerial transferring distributed circuit for insulating and suspending lead. The products are all meet National standard (GB ...