mineral-insulated cable

mineral-insulated cable

An electric cable consisting of one or more conductors embedded in an insulating material of a highly compressed refractory mineral; has an outer sheath of continuous seamless tubular copper.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Additionally, other alternatives such as mineral-insulated cable have the disadvantage of alloy conductors, which require larger conductor cross-sectional areas and complex, time-consuming installation.
The new Hot Slot mineral-insulated cable heater is pressed into a milled slot in a brass sleeve made from bar stock.
The Hot Slot consists of a mineral-insulated cable heater pressed into a milled slot in a brass bar sleeve.