insulator
noun
- non-conducting material
- component in electrical engineering made of insulating material(s) and used for fixing, maintaining or guiding electrical conductors
Wiktionary
Pronunciation: /ˈɪn.s(j)ə.leɪ.tə(ɹ)/
noun
Etymology: From insulate + -or.
- A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
- A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)
“To isolate electrical wires from the pylons supporting them, one often uses glass insulators.”
- A person who installs insulation.
“Alan Vasen worked as an insulator at this site from September 1968 through mid-April 1969. Mr. Vasen installed thousands of lineal feet of asbestos pipe covering and thousands of square feet of asbestos block insulation throughout the operating units of the Benicia refinery.”