Ceramic Spool Insulator
Ceramic Spool insulator is one type of ceramic insulators of generally cylindrical form. It has an axial mounting hole and a circumferential groove or grooves for the attachment of a conductor.
Standard: IEC, ANSI, BS, AS, DIN, CAN, GB and etc.
Color: light gray, brown, white, sky blue and etc.
ANSI C29.3 53-1,53-2,53-3,53-4,53-5 R-1,R-2,R-8,1617,1618