Porcelain Insulators from Japan

Japan used porcelain insulators almost exclusively. 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 from Japan

U-1103

U-1110

U-1111

U-1145

U-1154

U-1268

U-1293

U-1294

U-1337

U-1371

U-1381

U-1382

U-1446

U-1452

U-1461

U-1493

U-1502

U-1532

U-1549

U-1644

U-1690

U-1747

U-1770

U-1831

U-1942B

U-1954C

U-2221

U-2370

U-2372

U-2374

U-2378

U-2382

U-2391

U-2396

U-2416

U-2418

U-2465

U-2507

U-2512

U-2620

U-2645A

U-2655

U-2663

U-2670

U-2673

U-2675

U-2698

U-2706

U-2805

U-2810

U-2825

U-2831

U-2831A

U-2870

U-2871A

U-2873

U-2885

U-2887A

U-2924

U-3008

U-3016

U-3043

U-3060

U-3129

U-3221

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