electric insulator
Datelate 19th-mid 20th Century
Inventory Number2007-1-0152
ClassificationInsulator
Subject
Maker
American
?
Cultural Region
Dimensions16.4 × 5.1 × 5.1 cm (6 7/16 × 2 × 2 in.)
Material
DescriptionA pin-type, unibody translucent blue glass insulator with a grooved tip, a smooth body, rounded bottom, and overall cylindrical shape. The cylinder is threaded inside at the top.
Signedunsigned
FunctionInsulators like this one are used to suspend bare wires that transmit electricity at very high voltages. They are made of materials that do not conduct electricity even at extreme voltages.
