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Best Protection Against Lightning

  • Transcript

    LESLIE: Bill in Texas is on the line and needs some help with a lightning rod. Tell us what’s going on.

    BILL: I would like to get your recommendation with regard to lightning protection. I would like for you to tell me what you recommend with regard to the best protection for lightning.

    TOM: Well, installing a lightning-rod system makes a lot of sense. And the key, though, is the installation has to be done correctly. Because if it’s not, it could actually sometimes cause more damage than it can prevent.

    One of the common mistakes is that when the lightning rods are installed – and typically, in the average roof, it’s going to have three of them – that the cable that connects them to the ground source, you have to make sure that they run that cable across the roof and then down the side of your house nowhere near any other copper wiring or copper plumbing. So you would want to keep it – for example, if you had plumbing running through the same wall, you want to keep it away from that.

    And the reason you’re doing that is because if you get a lightning strike, it can run down the ground wire on its way to safety where it dissipates into the soil. But it will transfer or jump across to the plumbing system in the house and electrify that.

    So, that’s just one part of the system; you also have to take a look at your electrical panel and make that sure that that’s surge-protected. But a combination of those systems makes a lot of sense, Bill, if you’re in an area that’s really prone to lightning.

    Thanks so much for calling us at 888-MONEY-PIT.

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