Does Lightening arrest requires Earthing?..

Categories >> Engineering >> Electrical Engineering
Suggest New Category

Question Posted / vvreddy

5 Answers
5931 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Does Lightening arrest requires Earthing?.. ..

Answer / gayathrikandaswamy

yes,lightning arresters require earthing.

Is This Answer Correct ?

15 Yes

0 No

Does Lightening arrest requires Earthing?.. ..

Answer / maheshkumar

yes, it requires earthing.. otherwise it cant divert the
bulk power....

Is This Answer Correct ?

13 Yes

0 No

Does Lightening arrest requires Earthing?.. ..

Answer / jairaj shetty

yes the role of a lightning arrest is to trap the hi
voltage electric arc produced by lightning and sink it to
the ground , so it is installed in the highest point of a
building and a conductor is coupled from the arrester to
the ground .

Is This Answer Correct ?

10 Yes

0 No

Does Lightening arrest requires Earthing?.. ..

Answer / karthi

Yes, its mandatory, otherwise it can spoil the equipments.
the earth pit value is <1ohm

Is This Answer Correct ?

2 Yes

0 No

Does Lightening arrest requires Earthing?.. ..

Answer / raziq ulla

Yes required,
Lighting arrester means it will arrest the surge voltage
caused by lighting, and it must be installed at the top of
the building to safe gaurd the building from heavy (surge)
voltage, if the Lighting arrester is not earthed properly
high voltage will damage the building so that proper
earthing is neccessory to safe grounding of surge voltage.

Is This Answer Correct ?

1 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

how can a transformer test by megger?

1 Answers

why are you use the crgo core lamination in transformer

6 Answers

hi frnds.....anyone get any reply from HPCL. I HAVN'T.....B,COS written will b on FEB 17 th.

1 Answers HPCL,

If We are converting the SINGLE PHASE AC into THREE PHASE AC by using STATIC CONVERTERS , then How do we bring the frequency to 50 hz??

2 Answers

iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .

1 Answers

Differenciate between circuit wiring and sub main wiring with illustrations

0 Answers MU,

why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 Answers

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

0 Answers

What is the acceptable resistance range of UPS battery

2 Answers Cisco,

what ispositive, negative, zero sequence impedence?

0 Answers

What is phase angle? and what is importance to measure it?

2 Answers

What is the formula to calculate the rating of power cable for three phase current.

0 Answers

For more Electrical Engineering Interview Questions Click Here