Answer / sai nitish

As the resistance Is inversely proportional to cross sectional area,when ever a short circuit occurs a huge magnitude of current flows through earth pin.earth pin provides a low impedance path for the fault currents.due to this fact the earth pin is made bigger compared to others. Low impedance implies high current and higher cross sectional area

Answer / khamesra.amit

It helps in two ways:
1. Longer earth pin will first earth the equipment body before the phase is connected to the equipment.
2. Its cross section is larger. As resistance is inversely proportional to area, Lesser is the area of cross section , less is the resistance which helps fault current to adopt this path instead of human body.

Answer / sheikh

Earth pin would be longer than phase and neutral pin because
connected equipment may be earth in first.

What is lc oscillator?

0 Answers  

---

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 Answers  

---

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

0 Answers  

---

While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

0 Answers  

---

why should small green grass ans small plant should not be there inside the transformer Yard in the factories

0 Answers   Riddhi Siddhi,

---

Difference between auxliary relay & pla relay

1 Answers   Reddy Labs,

---

Can u tell me about HVDC transmission?

6 Answers  

---

what is the meaning of the HT LT transformer?

10 Answers   Sify,

---

What type of DC Generator is used for Arc Welding purposes?

7 Answers   CPCL, Rubicon,

---

why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

---

how we decide scurt (disc) of insulator with respect to kv rating

1 Answers  

---

can u give me a brief idea about power line carrier communication ??

0 Answers  

---