How much area a lightning arrestor can cover?

5 Answers  

---

i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

0 Answers  

---

how cables go in and come out for distribution from the feeder pillar box?

0 Answers   CESC,

---

Hi.I want to ask how to calculate contactor rating current? for example I have 460 V , 100 A (induction motor) calculate contactor rating current?

2 Answers  

---

Which supply is using for train AC or DC & what is the voltage????????

16 Answers  

---

---

What is application/Function of Electro chlorinator in Offshore Oil & gas Platform ?

1 Answers  

---

what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers  

---

what is stay bow?

2 Answers  

---

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 Answers   ABB,

---

how to measure genset CT coil range?

1 Answers  

---

what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

---

rating of ups??

1 Answers  

---