Question
Which insulation is most widely used for covering wires/cables used in internal wiring of residential construction?
The correct answer is
PVC
For the internal wiring of residential buildings, the most widely used insulation material is Polyvinyl Chloride, commonly known as PVC. PVC is a type of plastic polymer that has properties making it highly suitable for electrical insulation.
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Important Questions from Transmission and Distribution
The capacitance and inductance per unit length of a three-phase line, operating at 110 kV are 0.01 μF and 2.5 mH. The surge impedance of the line is:
Which of the following statements about the EHV lines is INCORRECT?
Now-a-days, aluminium wires are more widely used than copper because
The factor on which earth resistance value depends on
Steel poles are painted to prevent them from:
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