Re: Ground outdoor MV security light?
- From: "PipeDown" <nowhere@xxxxxxxxxxxxx>
- Date: Fri, 14 Apr 2006 01:09:42 GMT
"EJohnson" <EJohnson.265tqi@xxxxxxxxxxxxx> wrote in message
news:EJohnson.265tqi@xxxxxxxxxxxxxxxx
Hello everyone;
I bought a 175W mercury vapor secuirty light and I want to install it
next to my above ground pool. My plan is to buy a 4x4 16' treated
lumber or use a 2" 20' metal fence post pipe (which I already have) to
use as a pole; -4 feet into the ground (soil).
I plan to connect it to the GFCI outlet which my pump/filter is plugged
into. The circuit is on a 20 amp breaker (12/2 UF) which runs from my
garage's sub panel; underground about 40+ft. to the GFCI. Now i'm
worried that if I install this light that high in the air; it might
become a great lightning rod!!! Right? Especially if I use the metal
pipe as the pole. What should I do (ground or no ground)? Also, I don't
run the pump at night so these (light and motor) aren't going to be on
at the same time. Thanks, Johnson
--
EJohnson
12' is not all that high unless you are in the middle of a golf course. If
lightning is going to hit that spot, there is little you can do about it.
Directing the current into ground (via another ground wire aside from the
one to the GFCI) protects the structure but sidestrikes (to people and
bathers) from roots and underground pipes can still occur.
Naturally, you should NEVER use your pool when lightning is around anyway
even if it has not started raining.
Poolwater with all that chlorine is generally plenty conductive.
.
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