Roof Antenna Lightning Protection

Multiple plp 32 masts may be used to protect extended areas.

Roof antenna lightning protection.

The antenna discharge unit protects antenna wiring and cabling from over voltages caused by lightning power cross and static buildup ul standard ul 452 covers antenna discharge units. Lightning surge protector f female to f female dc 3 ghz 75 ohm with 90 v gas tube surge arrester lightning arrester f female to female 4 3 out of 5 stars 102. That is unless you have a metal roof or radiant barrier. Plp 32 lightning masts provide a cone of protection within which lightning charges are diverted to the mast and grounded instead of to the protected object.

There are a few options for how to install lightning protection. Protected areas may be determined by use of the widely accepted rolling sphere concept. Generally if you have a metal antenna mount on your roof that is over 5 feet tall you will want to ground that using a long copper wire. Attic installation is best because it gets you as high as practical.

Now as i was replacing an existing outdoor antenna i simply hooked the antenna up to the already grounded coaxial cable coming off the roof. At the time of this writing december 2011 there are only three manufacturers that make listed products table 1. If you ve heard that the antenna on your roof can t be struck by lightning or that it will protect your house from being struck both are big old myths. 1 16 of 386 results for antenna lightning protection amazon s choice for antenna lightning protection.

Of course performance won t be as good as with an outdoor antenna up high but it may be good enough. Protection for a tv antenna which is located on a roof should be at three points. I inspected the wiring of my antenna with the intention of doing a write up on how it was grounded. Roof antennas are not grounded which not only make them an easy target for lightning strikes but the current from the lightning can move the antenna and provide an entryway for the lightning bolt to get deeper into your house.

An astute reader asked me about grounding the antenna in the comments of the review. A wire from the antenna mount to a grounding source described below or a surge arrester.