How the required conductor size can be reduced by use of HRC fuses?

How the required conductor size can be reduced by use of HRC fuses?
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1 Answer

Answer :

HRC fuse limits the peak amplitude of fault current. HRC fuse melts at prospective current but not allows circuit to pass their high rupturing capacity that is it’s kA. 
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Related questions

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Description : What is the specified cable life? 

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In the cables, sheaths are used to (a) prevent the moisture from entering the cable (b) provide enough strength (e) provide proper insulation (d) none of the above

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The relative permittivity of rubber is (a) between 2 and 3 (b) between 5 and 6 (c) between 8 and 10 (d) between 12 and 14

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