Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

What should be the earthing resistance of an industrial
substation and also What should be the house hold earthing
resistance?

Answer Posted / dev123kk

should be less than 1 ohm

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are hrc fuses and where it is used?

296


What happens if i apply 500V to 440V rotary Switch ?

1006


What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

161


How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

1039


pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

1057






what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1149


Tell me all plants load factors i.e which plant operating on which load?

1183


how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

1190


at which voltage level arcing ground is occurs ??????????

1148


in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

1962


What information we need to prepare relay coordination chart

1439


why it is so called as xlpe(cross linked poly ethyline) cable?

1221


How to test Alternator stability test for REF relay

549


Differentiate between kirchhoff’s first law and kirchhoff’s second law?

234


Why squirrel cage motor can only use with low starting loads ?

1141