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Re: Way off the wall O/T
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Posted by Bill-KCKs on June 07, 2007 at 09:10:19 from (208.54.14.11):
In Reply to: Way off the wall O/T posted by old on June 06, 2007 at 21:25:29:
While it's already been said that nothing will stop a direct lightning strike, you can protect your equipment from spikes induced in the power line by nearby strikes or switching currents. When the fuse blows on a typical pole transformer, the collapsing magnetic field can induce a spike of 5,000-V on the secondary. That's where "surge"/spike protection comes in handy. Install a whole-house surge supressor at the meter socket or entrance panel. Then use plug-in supressors at each appliance. The plug-in supressors, though, should have protective devices (MOV's) between the "hot" leg to ground, neutral to ground, and hot-to-neutral. There are some really cheap ones on the market that don't use 3 MOV's... Don't forget to add MOV-based protectors to the telephone devices and TV antenna/cable/satellite leads. I think more TV's are fried from lightning strikes to the cable than power.
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