Answer / k.prakashchandra

Earth wire should be capable of carrying at least ,the full
load current . It can be of cu ,Al or GI.

Answer / kathiravan

actually the earth conductor capacity not lees than twice
that of FLC of connected load.In india normally cu and GI
flats are used more than 35kw where as open cu wires and GI
wires.The motto of earthing is that "Human Protection" means
the fault current has to be earthed in safe manner.

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

0 Answers  

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how to find the Motor,s insulation Power?

0 Answers   Gourmet Group,

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What are hrc fuses and where it is used?

0 Answers  

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what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

0 Answers   NCC,

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What will happen if I apply DC to AC transformer? please send detailed answer at habib_rahman_habib786@yahoo.com

4 Answers  

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1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

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Load transfer in 11kv double busbar switchgear - operation.

0 Answers   KSEB, L&T, Siemens,

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explain the types of drives

0 Answers  

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WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT

0 Answers   KSEB,

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Explain what are inter-poles and why they are required in a dc machine.

0 Answers  

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do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

0 Answers   Aibel,

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corona happens more in ac or dc?

5 Answers   MAHINDRA,

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