Answer / amarjeet mishra

Residual Current Circuit Breaker (RCCB) is an electrical
wiring device that disconnects a circuit whenever it
detects that the electric current is not balanced between
the energized conductor and the return neutral conductor.
Whereas The Earth Leakage Circuit Breaker
(ELCB) detects fault currents from live to the earth
(ground) wire within the installation it protects.

Answer / sreenu

Both are same

Why can we connect the mobile charger both ways?

2 Answers  

---

what is meant by surge? what we called for high currents?

0 Answers  

---

Mention the disadvantages of low power factor? How can it be improved?

0 Answers  

---

what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.

1 Answers  

---

how choose conductor&depending upon load

0 Answers   Ford, HCL,

---

---

Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

---

what is the difference between circular wdg & ractangular wdg?

0 Answers  

---

why the voltage level is changed when the unearth cable is earth

2 Answers  

---

How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

0 Answers   Raychem RPG,

---

what is the difference between kva and kw ?

5 Answers   TCS,

---

any earth foult trip the relay but in welding time not trip by earth foult

0 Answers   Power Grid, Siemens,

---

Why the capcitor to be discharged after put in to operation & why not inductor though the both elements stores energy?

3 Answers  

---