Indoor antenna grounding / lightning arrestors?

I have a proxicast omni antenna inside right next to the BR1 mini with a short 3’ cable.

Would you recommend using a lightning arrestor or other such device on the antenna indoors? Or is this only needed if the antenna is outside?

If you would recommend this, how would you connect it indoors (would it need a dedicated ground wire running through the wall to the main ground rod outside the building as you would do with an outside antenna install, or could it work to have a surge suppressor in the antenna cable grounded to an outlet ground screw? Would connecting to the building’s outlet ground cause any dangers to the antenna?)

No, no need at all.

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