Attic Antenna Installation Grounding

In this video i will show you diy how to ground a tv antenna for lightning strikes.

Attic antenna installation grounding.

The third prong on a grounded plug is a safety ground. References to grounding just prior or after the cable enters the shelter normally assumes exterior mounting of your antenna on a tower or mast. Since signals will be weakened by just about any roofing material utilizing a higher gain antenna is typically the first step in overcoming signal loss. In any case do not ground the electrical parts of the antenna.

However the connection of your antenna coax to various ac operated equipment in this case your converter box or tv introduces the potential of electric shock. To correctly ground the antenna you must separately ground the mast and the coax shield. Advantages of installing an antenna in an attic. Hdtv antenna attic installation grounding 1.

If a live wire comes in contact with the case the current goes to ground through the grounding prong rather than through the body of a person touching the case. Grounding the coax shield will protect you from possible electrical shock. Although there are several disadvantages of installing a radio antenna in the roof space there are also some advantages. If you need to add an fm or bandstop filter to your antenna system grounding the coax shield will make the filter.

This is where lightening strikes elsewhere and the magnetic field induces current onto the antenna. Grounding will eliminate static electricity as well as protect against energy to the mast if the antenna comes in contact with live electrical wires. It is normally very much easier to install a radio antenna in the attic or roof space than outside. To reduce the chances of your antenna or mast being struck by lightning follow the national or local electrical codes to properly ground these items during installation.

The effective range of most antennas is lowered by 10 15 miles with an attic installation so you may consider getting a more powerful antenna than you would typically need with an outdoor antenna. In the case of an attic installation your tv antenna will be sheltered from the environment so there s no need to ground it for that reason. Grounding of mounting hardware is not required indoors. Also depending on the size of coax you re using and the care given to installation ground kits may do more harm than good in your application.

You don t have either of these issues inside a home so there is no need for grounding for indoor or attic antennas and why it s not required. You can use the outside of the electrical conduit provided the conduit has a continuous reliable electrical connection to earth ground. An attic antenna is not going to pick up any charge that has to be bled off either.