Answer Posted / jumaa errfadi

for lamps you can use 1.5mm wire .
for ordinary sockets in rooms use 2.5 mm ((but the supply
wire from mains switch to distribution box should be 4 mm ))
for kitchen ,A.C , water heater use 4mm wire ..
this is in short .if you need mor info. write me .

In MEP Services what are parts of STP and what are there function?

3542

---

how r charge carriers produced

2076

---

why we use sinosidal voltage / current instead of others in system?

2197

---

what do w do when the output of generator is fluctuating?

2246

---

what is the usage of microcontroller in the panel board?

2079

---

BSNL TTA EXAM QUESTION

2171

---

Fantio of tranformer

2218

---

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1695

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1793

---

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1780

---

During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

2124

---

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1899

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1834

---

What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

6287

---

Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2727

---