explain how to protect high rise building from the risk of
lighting.

Answer Posted / bhilai

Fix a copper pipe at the top most point of the building and attach 3 copper pieces in the shape of an inverted pyramid and ground the pipe with the help of a copper wire.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are factors to be consider in electrical installation like load factor,diversity factor .....

1356


What is gain margin?

618


How much weight an electrical engine can pull??

1619


hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

1653


at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1456






How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

1618


electrical knowelge

730


Can we use shunt trip coil instead of trip coil with protection relay for protection?

1299


how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

1753


How many types of faults are there in 3 phase power system?

629


how to do the ductor test?

6552


What is the armature mmf in a D.C machine?

787


What is the dc grounding system and what is diff between AC/DC grounding system?

1624


how to calculate

1155


explain PV modules in solar energy generation.

1414