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Join Date: Sep 2005
Location: New Westminster, BC
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On our last boat we had a similar situation vis a vis the wiring to the companion-way mounted instruments, and it had no headliner per se.
The wires were bundled and basically zap-strapped to the overhead, an eyesore that I always intended to address but never got around to it while we owned her.
My plan had been to rip some white PVC pipe in half on a table saw, clean it up and drill the edges to mount it around the wires as a half-round conduit. Another thought was to use the thinner walled plastic pipe like that supplied for those central vacuum cleaning setups. You could similarly cut the elbows if you needed to make some turns.. here's where the thinner walled product would result in a less bulky look.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)