Also called MI cables, mineral-insulated cables have conductors or wires enclosed by a metal jacket and insulated with hard-packed magnesium oxide (MgO). The basic construction provides high temperature capability, electrical isolation and physical protection for the conductors when subjected to harsh environments. RTD and thermocouple sensors manufactured from MI cable are used in heat treating metals, solid-waste incinerators, sintering powdered metals, firing ceramic materials, gas- or oil-fired furnaces, fuel-fired heat exchangers, box furnaces, and nuclear or hydrocarbon-based energy plants.

Mineral-Insulated Cables

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