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sanjay agarwal 09-12-2012 05:23 PM

Earthing
 
I am installing 10 lamp posts with 3000 kw of metal lights on each post for a GOLF range . The height of the pole is 15 feet only. The pole is made of Galvanised MS sheets .do I need to install earthing pits

rjniles 09-12-2012 05:32 PM

Quote:

Originally Posted by sanjay agarwal (Post 1008592)
I am installing 10 lamp posts with 3000 kw of metal lights on each post for a GOLF range . The height of the pole is 15 feet only. The pole is made of Galvanised MS sheets .do I need to install earthing pits


3000KW -- You need a nuclear power plant.

Jim Port 09-12-2012 05:47 PM

Your electrician will know what to do.

sanjay agarwal 09-12-2012 05:50 PM

Quote:

Originally Posted by Jim Port (Post 1008604)
Your electrician will know what to do.

thanks. and sorry it is 3KW. one electrician say we need it, another says these are metal posts and very low, thus we dont need it

kbsparky 09-12-2012 06:46 PM

What is an "earthing pit" and what country are you located in?

andrew79 09-12-2012 10:59 PM

3kw by ten poles. I'd rather not have that hydro bill. Each pole would have to be fed with 8's or bigger depending on voltage drop if they're 120v. I've done a ton of parking lot lighting and your numbers seem a little extreme.


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