what is earthed and inearthed cable or system?

1 Answers   CCCL, L&T,

---

DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV

2 Answers  

---

Brief use of isolation transformer & how it works.

1 Answers  

---

What is electrical grounding?

0 Answers  

---

Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?

3 Answers   Wipro,

---

How to test the Secure Elite 440 Multi function meter working condition.

0 Answers   Sadanand Constructions,

---

what is the diffrence between single phase and three phase

6 Answers  

---

In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

---

What are differences between Conventional & Addressable type smoke detectors?

1 Answers  

---

29 Which of the following breaking method save energy? A regenerative breaking B plugging C dynamic breaking D none of above

1 Answers  

---

which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

---

how can we choose the size of road crossing pipe for power cables

2 Answers   DLF,

---