why the earth pin is thicker than other pins in a plug? If
it is for reducing resistance, then why the copper earth
wire is not so thick as earth pin of socket?
- 5 Answers
- 7138 Views
- Omax, I also Faced
- E-Mail Answers
Answer Posted / bala
Actually the earthpin size is high and thickness is also large to pass more leakage currrent and not for load current.Load current normally returns via neutral.and one more thing is earth is taken care for high current rating devices whose current rating is above 5A.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
Why syn. Generators are used for the production of electricity?
what is the working principle of energy saver control panel. please give the complete calculation & theory.
i am going to attaned the engineer (disign)iterview at HAL please give me duid line
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
Iwould like to know barc interview questions
How to calculate Number of Earthing Pits....???
what should be the acceptrd value of winding resistance for 2.5MVA transformer
what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
What is the effect of positive feedback on the stability of the systems?
advantages and disadvantages of inverse definite minimum time RELAY
how to determine the inrush current of a transformer
what is the necessity of under ground cables ??
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
any idea abt REVERSE METERING concept.........?
