in three pin plug point, whats the reason that one plug point is bigger in size

in three pin plug point, whats the reason that one plug
point is bigger in size

Question Posted / parthisanthosh2

4 Answers
7245 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

in three pin plug point, whats the reason that one plug point is bigger in size..

Answer / babai

when short ckt happens a large amount of current flows,to
pass that large current to the ground ,the 3rd point known
as ground terminal makes bigger cross section.as resistance
in inversely proportion to the cross sectional area of
conductor.

Is This Answer Correct ?

13 Yes

2 No

in three pin plug point, whats the reason that one plug point is bigger in size..

Answer / stalin

it is used for grounding

Is This Answer Correct ?

6 Yes

2 No

in three pin plug point, whats the reason that one plug point is bigger in size..

Answer / silas varghese

during earth fault the fault current is large depending on rating of equipment.hence to transfer this current to earth without being melted down the earth pin is of larger cross-section. larger the ampere rating of plug or socket more is the cross section size of earth pin.

Is This Answer Correct ?

2 Yes

0 No

in three pin plug point, whats the reason that one plug point is bigger in size..

Answer / deepalps

larger pin dia, means a greater surface, secured contact for grounding.
its bigger than the others so that safety first....means the appliance is ground first and then operated on 230V/

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

why bucholtz relay placed inclined in transformer?

1 Answers

Define newton's law of viscosity.

0 Answers Godrej,

what is the function of commutator in dc motor?

10 Answers CTS,

Why we can't start a tube light without a starter(choke) and an inductor?

1 Answers

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

6 Answers ABB,

What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers Siemens,

can you show me the components inside a air circuit breaker with connection diagram?

1 Answers

What is the purpose of SSVW, IOVW, DVDF Tests in transformer? Those who are answering, pls send mail ids also.

1 Answers

what is stray loss in transformer?

19 Answers Vijai Electricals,

What is the difference between PLC and Embeded system

0 Answers

How to calculate ant test the burden of Current transformer

0 Answers NTPC,

How we find the size of cable if we know the current

2 Answers Gemscab,

For more Electrical Engineering Interview Questions Click Here