The porcelain insulators are identified by U-numbers, but in the range
of 1000-3999. The link below is for the reference book that covers these
insulators.
| Insulators from Czechoslovakia |
 U-1245 |
 U-1288 |
 U-1385 |
 U-1388 |
 U-1393 |
 U-1502 |
 U-1522 |
 U-1610 |
 U-1610A |
 U-1612 |
 U-1613 |
 U-1641 |
 U-1641A |
 U-1645 |
 U-1652 |
|
 U-1664 |
 U-1665 |
 U-1712 |
 U-1732 |
 U-1735 |
 U-1735B |
 U-1764 |
 U-1765 |
 U-1789 |
 U-1793 |
 U-1793B |
 U-1794 |
 U-1849 |
|
 U-1896 |
 U-1934 |
 U-2023B |
 U-2031A |
 U-2063A |
 U-2070D |
 U-2070F |
 U-2071 |
 U-2072C |
 U-2073 |
|
 U-2074 |
 U-2074B |
 U-2078A |
 U-2079 |
 U-2090C |
 U-2093 |
 U-2093A |
 U-2093B |
|
 U-2121 |
 U-2279 |
 U-2370B |
 U-2668 |
 U-2946 |
 U-3006 |
 U-3023 |
 U-3058 |
|
 U-3068 |
 U-3081 |
 U-3150 |
 U-3155 |
 U-3170 |
|
| Return to Porcelain
Insulators from Outside the United States |
Return to the insulator identification page