how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / bhanu
earth testers are used. and it is checked wheathe earh
resistance range is from 1-2 ohm or not.
Is This Answer Correct ? | 83 Yes | 39 No |
Post New Answer View All Answers
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.
Anybody know how schematic diagram for reverse power relay? RPR for generator protection
I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...
i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh
I need bhel electrical test pattern & paper
What is meant by cold loop test in instrument
Mention the disadvantages of low power factor? How can it be improved?
Is it possible to make a 5P10/ CT Ratio 50/1A Burden 5VA
how we select ac fuse rating of an power inverter???
if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm
Merits & Demarits of Oil circuit & Air circuit breakers ?
fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be
Why the output of OP-AMP is always less than Vcc?
Why AC & DC capacitor are use in UPS ??????????????????
what is the difference between dry and wet type of 132kV terminations. which one is durable