U-1421: New Zealand
2 1/2" X 3 1/4" (61mm X 83mm)
(top incuse) 3 / 8 .
Picture courtesy Bob Berry |
2 1/2" X 3 3/8" (61mm X 86mm)
(top incuse) NZI
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.