Re: risk of lightning
- From: Rick Kann <him@xxxxxxxxxxxxx>
- Date: Fri, 21 Jul 2006 09:26:11 -0400
You can get a lightning supressor on the main circuit of your house. I had one in upstate NY when I was there. It is like a large circuit breaker that sits ahead of the circuit breaker box and reacts to lightning hits by making a 3-4" seperation of the circuit. They run about $100.00 last I borght it.
For serial cables outdor I used to buy lightning boxes that sit on either end which can take direct hits. Though they run $500.00 per pair.
Richard Kann
Frank Winans wrote:
"Tony Gravagno" wrote
Yup, in the absence of a UPS I'm knocking on wood here until recently.
Couple nights ago lightning struck a palm tree a couple houses away
and set it on fire. This is a _real_ freak incident in our immediate
area, though this is exactly what's setting off major fires about 50
miles away. Anyway, we have three tall trees around the house and I'm
probably going to look for a UPS soon. I don't have much faith it
will help in case of a direct lightning strike which can probably fry
all of our systems through the cabling anyway.
T
If you're really worried about lightning strikes, you might want to look
into lightning rods, spike protectors, and 'lightning arrestors' .
That last is mis-named, it is a simple air-gap with pointy metal bits that
encourage a spark across it when the static electricity starts ramping up.
The hope is you'll short the bolt to ground during a strike, but the air
gap keeps your tv signal from being shorted out during good weather.
The American Radio Relay League puts out a nice manual
"the ARRL Handbook" about amateur radio, and much of it is do-it-
yourself instead of just what to buy at the store. I bet they tell you how
to protect a feed line from passing pesky overvoltage into your house.
But be aware a proper ground rod takes a whale of a lot of hammering
from up on a ladder. www.arrl.org
Your ups's probably have spots to plug in your phone
cord to spike-protect that line. Most people don't bother to use them,
and they'll even work if the ups is otherwise defunct.
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