method to check earthing

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Why short E1 and P1 in earth test meter

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1591


What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?

1528


what curve and rateing would you use for a three phase 0.75kw motor?

1571


Is potential difference materials property ..? if yes tnen how.. explain brifly.

1543


the winding of Generator and Motor is star or in delta ? and why

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Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

1704


what is conductor constant of raccun conductor

1786


diameter of cable and core is doubled then the value of capacitance is

3702


what exactly commisioning work does in electrical site work... LT side?..

1502


what ispositive, negative, zero sequence impedence?

1590


what material is the electrical housing wire made of? is there any difference for the telephone lines?

1479


Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1652


what is maxemo work permit procedure

1689


what are the stresses in circuit breakers ?

1524


ratings of lightning arrester

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