Answer / engr. kashif

All connections are made in parallel. e.g. lights, fans, socket outlets all are arranged in parallel. However the control switch of any device like a fan or light is put in parallel to that.
the wiring starts by dividing the main connection to a number of points same as the number of rooms in ur residence. Each goes through a Circuit breaker, and then to the room where the line is further divided depending on the number of appliances, sockets, power plugs. Each line then goes to the respective point then connects to the load and at the other side of the load is the neutral which is common through the residence.

If one lamp connects between two phases it will glow or not?

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How is the connection of the tap changer on the HV side been made?

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i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

0 Answers   Sabre,

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how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

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can u please mail me the syllabus for GET exam for damodar valley corporation?

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What is the differance between transformer neutral solidly earthed and transformer neutral earthed through resistor?

1 Answers   L&T,

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If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?

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If a HV Underground Cable (13.8KV) is layed in the ground below 1.5 Mtrs and any building construction is done on the Cable route. IS this allowable or Not? What should be the clearance. As per ISO construction on HV cable route is safe or Not? Why? Can any body suggest the site for my question?

1 Answers   ZCL,

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

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Why is the uniform distribution of the capacitor discs in a suspension type insulators essential , what can u do to improve the string efficiency ?

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Hi How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil.

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How to calculate Battery back up time for a 400 AH Battery bank having a load of 20 Amps and charging time required to fully charge this battery bank?

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