lightning rods

   / lightning rods #1  

yanmars

Veteran Member
Joined
Nov 29, 2009
Messages
1,054
Are they even installed much anymore. I see large all metal building and roofs without them. Any need or are they really that effective?
 
   / lightning rods #2  
I don't know how effective they are but my house has them and when the roof was redone I made sure that they were reinstalled and sealed.
My house has not been struck and we are on a mountain ridge.
As I said not sure if they work or not but sure wasn't going to leave them off and find out different.
 
   / lightning rods #3  
i think the location has a great deal to do with needing a lightning rod setup. The electrical codes for grounding buildings have changed a great deal through the years, too.
 
   / lightning rods #4  
Where I built the previous house was hit by lightening (and burnt) which supposedly never strikes twice so I'm OK.
Or am I?
OK, I have a TV tower and I did a good job of grounding it plus my hydro grounding is all up to par with 2 9 ft rods completely driven in.
Fingers are always crossed if that helps.
 
   / lightning rods #6  
As a kid in the 50s our house and grandparents house next door got hit at least once a year. Our house once hit by ball lightning, my brother and I saw it and it caught his mattress on fire. Then Dad & Grandfather put lightning rods on both chimneys. Never a single strike now in almost 70 years, either house.
My house here on a hill I had problems until I put lightning rods on both chimneys, never a problem since.
I used copper for everything. I made rods with 6 foot 3/4" copper pipe, sawed upper foot or so rolling then soldered them into points.
Then put antique amethyst balls on them. There're strapped to chimneys, two each copper straps. Clamped and soldered on flat copper woven wire running under shingles, connected together then down to three driven copper ground rods. One was already there from telephone service which this one goes under house bare copper wire to power company ground rod...so it's well grounded.
 
   / lightning rods #7  
My house and electrical panels have ground rods. Drive the rod in the ground half way - pull it - dump copper sulfate crystals down the hole - drive the ground rod all the way in. CuS04 xtals supposedly give better ground to rod connection.
 
   / lightning rods #8  
here's a trick i learned the hard way. if you are having trouble pounding the rods into the ground, run a little water down the rod, just spill a little on the rod and it becomes much easier to drive.
 
   / lightning rods #9  
The electrical inspector had me put two six foot copper rods in the ground to ground the steel building I have.
 
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   / lightning rods #10  
Grounding rods will be a requirement for your main panel.

lightning rod installation, grounding and requirement will be well defined in the codes.

As for strikes watch tall towers during electrical storms. They get hit numerous times.
 

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