what is IP55,IP65

4 Answers  

---

What is “pu” in ee?

0 Answers  

---

how and where megger works?

9 Answers   Power Grid,

---

what is cogging and crawling

2 Answers  

---

If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?

0 Answers  

---

why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

0 Answers  

---

which will glow brighter?bulb 1 (110v,100w) and bulb 2 (230v.200w) series connection

6 Answers   EnPower India,

---

1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

---

how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

---

The loads are connected with phase and ground then why current flow as the loads ?

0 Answers  

---

What are the temperature elements?

0 Answers  

---

what is the impedance voltage of transformer?

1 Answers   AVI Enterprises, MacLellan,

---