Insulating thread
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Description
Any of several types of coated threads that were braided around electrical wires to provide moisture resistant insulation. Early types of insulating thread were made from Cotton impregnated with Asphalt (Cook and Ferro 1983). Other types included cotton or Silk impregnated with Wax or Varnish. Felted Asbestos was also used.
Synonyms and Related Terms
insulating yarn; hilo aislante (Esp.); isolatiegaren (Ned);
Resources and Citations
- M.Cook, M.Ferro, "Electric Lighting and Wiring in Historic American Buildings" Technology & Conservation, 1/83, p. 28-48.
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996