why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

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block diagram of 2 ups system connected in hot stand by mode?

0 Answers  

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what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

0 Answers  

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In tranformer winding Connection Like Dyn1 ,so LV lags Hv by 30 deg and Dyn11 LV lead HV by 30,so how do this lagging and leading afffect the transformer??

2 Answers   Siemens,

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what is the difference between concentrated winding and Distributed winding in motor?

7 Answers   BSL, Infosys, TCS,

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What will happend if given Vfd out put to step up transformer

0 Answers  

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What do you mean by cold shinkable cable joint.How it is done.

0 Answers  

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whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?

6 Answers   TCS,

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what do you mean by 1 ton in AC`s

36 Answers   Bhel, Bosch, ITC Infotech,

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if we are using ACB in a panel the how much clearance do we need in panel room.

2 Answers  

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what's the different between ELCB, ELR and ELS?

1 Answers   CP,

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ups and invertor battery selection chart and full formula

2 Answers   APC,

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