Why is the earth pin in a 3-pin plug the longest and the thickest?

10 Answers   IBM,

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cable armor

3 Answers  

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HOW TO CALCULATE SINGLE PHASE AMPERES IN 3 PHASE TRANSFORMER? GIVE AN EXAMPLE PLZZZ

1 Answers  

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What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?

2 Answers  

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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Why the transformers are rated in KVA ? in new view

3 Answers  

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

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Whats changes in Transformer Oil BDV in changes in temp or Climate?

2 Answers   TATA,

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

0 Answers  

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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