Why armour HT XLPE power cable required to Earth?

1 Answers  

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What is the permissible sound level for 1000kva DG set and how the sound level is calculated.

1 Answers  

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Write down the name of 2 lady Bir Pratin of Bangladesh

0 Answers  

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a 25kvar capacitor bank connected to the secondary side of transformer.then why the capacitor draws more current then rated

3 Answers   TATA,

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How to calculate multiplying factor of dc energy meter

0 Answers  

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While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 Answers  

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why the electrical plug point pin(earth) size in max

1 Answers   Autoneum Nittoku, Bajaj,

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what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

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what is the working principle of three point starter of dc motor?

1 Answers   Ashok Leyland, Cap Gemini, Infosys, Just Dial,

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what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 Answers  

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will the power consumption remains the same when speed of the fan cnanges??if so y??

2 Answers  

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wat is power factor

7 Answers   IOCL,

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