U-3221: New Zealand
5 5/8" X 8 5/8" (143mm X 218mm)
(dome inkstamp) NZ INSULATORS LTD POWER TECHNOLOGY DIVISION 1998 {NZI}
Picture courtesy Craig Polkinghorne |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.