7/20,3/20 electrical wire is specified as stated.Why?

Answer Posted / rachuri_sree

7/20 means 7 is no. of conductors and 20 is the gauge of
each conductor. It is old way of expressing the size of the
conductor.

Is This Answer Correct ?    72 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1476


A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2130


what is the use of permanent magnet generator in exciter

1691


What is the end effect of linear induction motor ??

1567


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

1591






what are the pecularity of shaver sockets ?

1449


On what cycle does thermal power plant operate?

639


How vfd saving power.

1531


Why should we hire you over the others waiting to be interview?

2351


2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

1899


Is there chopping current in resistive circuit

1532


volts=230 c=10mf a=??

1571


why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

1522


What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

1613


What is different between Circuit breaker and Isolater?

1215