if there is nutral in phase why we use earthing wire and
grounding?
even at fault condition the fault current flows to neutral
(it is a lower path)
If two hack saw blades, seperated by 1mm thick paper,are connected across 230volts, and immersed in water,then they start getting heat. This is fact,i dont know how they get heated.Blades are not directly connected together. Please if anybody knows the fact ,revert back to me
what is mean Boost voltage and what is working principle of Tube light
What is the diffrence between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?
explain how hunting can be reduced in an alternators?
what is the difference between home inverter and online ups?
Electricity sometimes can be dangers , sometime got shoked form it . It is because of volatge or Current
PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.
what is the difference between old fan regulator and new fan regulator
why grid frequency varry time to time?
what do you understand by dressing a HT/LT pole
1 Answers Federal Polytechnic Nekede,
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
Fire pumps are not used with ELCB control, why ?