Do You Need To Ground Antenna In Attic

There is no requirement to ground an indoor or attic antenna.

Do you need to ground antenna in attic.

Antennas mine are receive only for fm tv and public safety bands will be generally restricted to the attic. If you find the attic install unsatisfactory and you move the antenna outside then you definitely do need it. 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. The nec requires that the antenna mast be grounded directly.

If you look at the image below you ll want to use a 6 awg ground wire for all of your grounding runs and suitable ground clamps. Agreeing with adtech i don t see the nec requiring you to ground an indoor antenna system. Some attics are dark unwelcoming places used only for extra storage and in those cases nearly any antenna will get the job done. Keep your grounding parts however.

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. Below is an image taken form the nec code book that shows how to properly ground a tv antenna. Typically the house wiring and gutters represent a much lower impedance path to ground for lightning than the floating attic antenna. But if you have access to a ground connection that can serve the attic splitter it makes sense to use it.