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
7000 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

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1 Answers

33kv Rated output avilable in market (any where in india)

0 Answers C2C,

we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers MAHINDRA,

which types of tests are required after commissioning of 6.6 kva tranformer?

3 Answers Reliance,

How will polarity test of Dy5 Transformer ?

0 Answers

1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers

What is reason of rating of transmission line multi pal of 11 like as 11/33/66/220 ? Why not use 75 kv 23 kv line in power system ?

1 Answers Apollo, Balco, Bhel, Vardhman,

Why the substation measure in KV but not in the power ratings of transformer.

4 Answers

What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

0 Answers

1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers L&T,

Can u start a tube light without a starter?

8 Answers Adani,

which cable is preferred PVC OR XLPE for voltage from 220V to 11 KV with proper justification

1 Answers BARC, Sail,

For more Electrical Engineering Interview Questions Click Here