Three way plug point is there ,in that plug why we need
earth pin is bigger than compare with phase and nutral pins?

Answer Posted / meenakshi

Reason of earth Pin larger in diameter than other pins in a
plug socket :-
Accidently also one can not insert earth pin in other
pins .
the above feature is for foolfroop safety & no other
reason like low restance etc

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how is the incoming cable size calculated for a given current rating of a panel??

1443


TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

4954


describe the constructional features of an auto transformer and its principle operation

1813


Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

1889


What is the size of a 60 watt and 80 watt tubelight?

1757






Why 9KV surge arrester having 7.65KV of MCOV?

1113


What is an automatic controller?

657


1.how many types of relays? 2.difference between ATS& STS?

1659


What is hipot test procedure?

1017


how to control the speed to switched reluctance motor

1504


What happen to generator if i have unbalanced load?

1659


how to calculate slip ring induction motor stator and rotor currents??

1744


What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

2181


-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

1685


why ss stablity limit is more transient stablity limit?

1669