Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / ramiz raza
to reduce the step potential and touch potential.....in short for protection against shock...
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what percent do you derate your copper wire when you change from copper buss to copper wire
How to work meggar?
how does a liquid starter reduce the starting currents?
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it
What are the advantages of skewing of cage rotor conductors?
what is mean by restructuring power system?
what causes contact chatter when there is no demand on the air conditioning unit?
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
What are the advantages of instrument transformer?
What happens if we give the supply to the rotor of induction motor and make its terminal shorted?
what is droop control?
how balanced in star delta connection ?
Define noise?
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
