Answer / mohit.k.k

cu cable has more current capacity than al cable. for
carrying same cu cable is of small sq mm than al cable. but
we use al cable mostly above 16 sq mm because of cost factor

Answer / sam

Cu cable having less resistance than Al cable and it is
mostly used for UPS & Earthing system,, where we need
losses to less and resistamce to very less...

Answer / ramaraj.g

the cu cable is high heat withsatand , high stating
current to withstand , long life in anty other cables
and main advantage is CU occupy in less plasce in high
current rating that AL cable is low carrent is occupy the
more plasce is power line
this are advantages of the cu cable over the al cable

Answer / mrudang

cu has more strength of heat withstand
cu is melt 300 degree celcius and Al is melt at 160 degree
celcius
cu has less resistance
cu has high conductivity

When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

---

what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

---

Why power factor is arising in electrical circuit, is it possible to eliminate from the circuit, why

2 Answers  

---

Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

---

WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

0 Answers  

---

---

What is the difference between a 3 winding and 2 winding Potential Transformer

0 Answers   Engineers India,

---

what is dol starter

1 Answers  

---

1.what is the easiest way to convert AH(ampere hour)to watts?.

2 Answers  

---

what methods are used to improve power factor?

3 Answers  

---

what is mean by drives?

0 Answers  

---

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,

---

As the one point of eac phase winding is connected to each other in satr connction. Even if that at distribution side collesion of two diff phases result in to blast. Why?

1 Answers  

---