Electric Surge Arrestors Suppressors J9231-Q Joslyn 9/10 KVARR Used & Clamp 243C.
Electric Surge Arrestors / Suppressors Joslyn Made in USA 1992.
Can be used in traditional power pole situations of course - but ALSO can be used in any other industrial power insulation capacity that requires the specifications these insulators have. So - have an open mind - since they are basically a large electrical insulator which can be used for multiple purposes / installations.