... suspension insulator is used for all circuit and power station standard: IEC, ANSI, BS, DIN ETC A disc suspension insulator is ... carry a line conductor or conductors at its lower end. Standard: IEC, ANSI, BS, AS, DIN, CAN and GB and etc ... . Color: light gray, brown, white, sky blue and etc. Non-standard products: manufactured in accordance wih the customer's drawing disc ...