ST-8250-8499

Externally ribbed cap and pin 158mm - 247mm (6.25" - 9.75")
 
ST-8252
ST-8252
ST-8252
Size: 158mm (6.25”)
Example in Photo: CHANCE (USA)
Photo Credit: Jeff Markwart
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
Chance(Under-glaze Ink) (Year) / CHANCE / 15,000 LB.BTOGrayUSA
 
ST-8415
ST-8415
ST-8415
Size: 228mm (9")
Example in Photo: THOMAS (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
Thomas(Sand-blast) THOMAS / (Year)THOMAS // BTC // 10000LBS // 5996Pumpkin OrangeUSA
 
ST-8475
ST-8475
ST-8475
Size: 241mm (9.5")
Example in Photo: LAPP (USA)
Photo Credit: Bob Scafe
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
Lapp(Under-glaze Ink) (Lapp Logo) LAPPPumpkin OrangeUSA
Lapp(Under-glaze Ink) (Lapp Logo) LAPP / (Year)LAPP / FORGED CUPumpkin OrangeUSA