That is one of the crappiest wiring jobs I have seen! Who taught you how to install a 'F' fitting? And lets not start on your means of 'grounding' the splitter(s).
Let me guess. You 'know' what you're doing because you have been installing cable for the last 30 years.
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This is CABL.com posting #297437. Tiny Link: cabl.co/mbpxx