'Ferranti mains' definitions:

Definition of 'Ferranti mains'

From: GCIDE

Ferranti cables \Fer*ran"ti ca"bles\, Ferranti mains \Fer*ran"ti mains"\ (Elec.) A form of conductor, designed by Ferranti, for currents of high potential, and consisting of concentric tubes of copper separated by an insulating material composed of paper saturated with black mineral wax. [Webster 1913 Suppl.]