What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

---

In radial network the source is fed from 1 end both ends at central

0 Answers  

---

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

2 Answers  

---

Capacitor panel CT is normally fixed on Y phase of the main panel.why???

3 Answers  

---

what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

---

What is difference between Ac Voltmeter And Dc Voltmeter ????

2 Answers   KCP,

---

What is ics,icu,icw of load breaker

5 Answers   Havells, NPCIL,

---

why does chattering take place in ac contactors? can it be avoided & what care does the manufacturer take to eliminate this phenomenon????

10 Answers  

---

what is the difference between single core,three core,three and half core and four core, and where it can be used ,

1 Answers  

---

how does the harmonics enter into the induction motors?

1 Answers  

---

What are safety seals?

1 Answers   HSL,

---

Why is a thicker conductor necessary to carry a current in A.C.as compared to D.C. ?

1 Answers  

---