When I installed the 30m I used the coax run into the house from my 2m antenna. I finally bought some more coax(Davis Bury-Flex, I find it easy to work with than LMR-400 and it’s about the same as far as losses) so I installed the last lightning arrestor I have room for. There’s been a crazy bird squawking in the yard all day and he kept divebombing me the whole time I was install the connector.