[Smityyone]

I intend to ground my TV antenna wiring to my plumbing system, about 8 feet from where my distribution “panel” (actually a 4x4 sheet of plywood) is located. Here’s my intended wiring scheme; roof-mounted antenna, single RG6 wire comes through roof into attic. If a pre-amp is required, it would be powered in the attic. The RG6 continues straight down into the utility room located directly below, which is where my plumbing (main water line, meter, shut-off, water heater, etc.) is also located. There are already several grounding attachments fitted to the copper pipes located there. I intend to use one of those attachments to terminate my grounding wire. This utility room is also where I intend to branch the RG6 from a 4-way splitter/amp, then distributed to the four TVs. But where along this scheme does the grounding wire first attach? At the antenna itself? At the splitter in the utility room? The total length of RG6 from antenna to splitter is less than 20 feet.