... for all circuit and power station standard: IEC, ANSI,BS, DIN AND GB etc A pin insulator consists of a single piece ... . Unless otherwise stated, this term does not include the insulator pin. 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 ...