Grounding An Antenna In Attic

If i just stuck the antenna in the attic and ran the coax about 20 feet to the scanner would i need.

Grounding an antenna in attic. Can i use the electric ground. Most customers who mount an antenna in their attic end up installing a preamp on their antennas. In the unlikely event that lightning does strike your tv antenna even if you ve done all the proper grounding to it there is no guarantee that damage won t be caused. Originally posted by gerryp123 great ota reception with an attic antenna no amp but i m sure a lighning strike near my hdtv would ruin my day.

The copper wire at the base of the antenna mast attaches to the copper vent tube that runs to the roof through the attic in a 55 year old house. I installed an electric circuit straight from the breaker box to the attic and i know i connected the ground wire. It might not but there is going to be a whole bunch of electrical wiring in the attic as well for the lightning to follow. The web page talks about outdoors and putting the ground right where the cable comes into the house which implies i don t need one for the attic afaict.

It seems the attic will negate most risks. Remember that grounding a tv antenna that s installed outdoors can minimize the effects of indirect lightning strikes or static electric buildup during storms. The layer of plywood would tend to block those. Does an attic mounted antenna need to be grounded.

One is attached to the mast or pole on which the antenna is mounted. Lets say i got a scantenna or a diamond discone antenna and put it in my attic i have a standard bi level with plywood roofing and regular fiberglass shingles or whatever they are made out of. My attic like most attics have soffit and roof vents. Both these wires terminate or are joined together at a place referred to as the power service grounding electrode system located at.

Here are some photos of my roof top antenna with a grounding wire in the attic. The picture shows two grounding wires attached to the antenna. Does the moving air coming through these vents create any risk for the indoor antenna. The picture below from the national electrical code sums it up well.

Lastly if i do ground the antenna would grounding it to the outside of the electrical conduit coming into the attic be where i should ground to. Grounding a tv antenna isn t just for safety. Check to ensure that the vent tube is firmly grounded before connecting the wire. Grounding an attic antenna.

The simple truth is when lightning strikes it s going to do whatever it s going to do and the best we can do is provide a low impedance resistance path to get that energy back to the earth as quickly and as safely. The other is attached to the antenna coaxial cable. Do i need to ground an antenna in my attic. It eliminates noise caused by static discharges from the antenna through the receiver.