NABTEB QUESTIONS

Explain briefly the following component parts of MICC Cable. (i) Conductors. (ii) Insulators. (iii) Outersheath. – NABTEB QUESTION

(i) Conductors: Each core consists of a single copper/aluminum metal and allows the passage of electricity.

(ii) Insulator: The insulation between the cores is magnesium oxide a material capable of withstanding high temperature but absorbent to moisture.

(iii) Outersheath: Is a seamless copper/aluminium tube. The sheath is sufficiently pliable to withstand bending operations during cable installations. It serves as earth continuity conductor.

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