Answer / kunal d great

earth pin is bigger in length nd also in dia because having
more length ensure that earth pin is connected first in
circuit nd more dia of pin means less resistance so extra
current will pass first from it.

Answer / manickpillai

If the Earth is healthy or if touch first in the circuit,if there is problem in the circuit or malfunction, it won t affect the system,circiut get cut off.Its is like a periorty purpose.

what need of NGR(neutral grounding registor)? What it works?

2 Answers  

---

which pole motor is best ?4 pole motor or 6 pole motor,why?

2 Answers  

---

CAN ANY ONE EXPLAIN THE KNEE VOLTAGE OF THE CT?

3 Answers  

---

how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

---

To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

0 Answers  

---

how to find the transformer neutral copper earthing size 

1 Answers  

---

How to find knee point voltage in current transformer?

2 Answers   TCS,

---

how to set the overload setting in the thermal overload relay?? is there any calculation in that??

3 Answers  

---

What is the equivalent circuit of a transformer and its vector diagram?

0 Answers   Bhel, Madhucon,

---

What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

0 Answers   Siemens,

---

tell me about eletrical contractor

0 Answers   TATA,

---

WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?

2 Answers  

---