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Porcelain Insulators from Unknown Origins
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This section contains insulators for which the origin is unknown - If you
have any information on where these were made or used please contact webmaster.
These 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.
Worldwide
Porcelain Insulators (Unipart Pin Types)
| Insulators of unknown origin |
 U-1235 |
 U-1270 |
 U-1336 |
 U-1350 |
 U-1380 |
 U-1416 |
 U-1507 |
 U-1608 |
 U-1608A |
|
 U-1621 |
 U-1644 |
 U-1652 |
 U-1734A |
 U-1737 |
 U-1761 |
 U-1775A |
 U-1777 |
 U-2031 |
|
 U-2062B |
 U-2073C |
 U-2087 |
 U-2274 |
 U-2276 |
 U-2287 |
 U-2364A |
|
 U-2390 |
 U-2947 |
 U-2948 |
 U-2951 |
 U-2998 |
 U-3000 |
 U-3062 |
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| Return to Porcelain
Insulators from Outside the United States |
Return to the insulator identification page
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