Deckhead BNC plugs

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No connection (pardon the pun) with the company etc. but bought one of these with about 9 electrical and 1 bnc connector. Fabulous bit of kit but unfortunately not that cheap. Been on the boat two years now and not a single drop inside. It even comes with waterproof covers so when your mast is down you can seal both the deckfitting and the loose cable end. As soon as the budget allows I'm going to get another for the through deck radar leads.

Easy to fit etc and all your masthead cables in one box. If it wasn't for the price they'd be perfect but as others have said you get what you pay for.

Chas
 
My VHF connector is a black rubber booted plug that pushes on and then screws to the deck socket. The rubber boot then is pushed down to the bottom of the socket - completely covering the lot.
I inherited it with the boat - which is mid 70's vintage. I was told by previous owner - who had the boat for many years - that it had been fitted by owner before him. It still works today.
 
I use a buccaneer BNC below decks and it was waterproof enough to keep in the rain that came down the inside of the aerial lead when the aerial developed a leak.


N type plugs are designed by the same team as BNC, and in fact use the same dimensions of pin and ring arrangement as the BNC. There is a second outer threaded ring (nut) on the plug that engages with the threaded ring on the socket.

Not to be confused with the usual VHF PL259 connectors which are designed to be as rubbish as possible.

N type plugs do have rubber seals but the outside of them is plated brass or similar so it goes all horrid.

I think a through -deck seal and BNC below deck is best.
In my case I have a keel stepped mast so I have all my wires inside the mast through the deck.
 
When assembling any type of connector or plug outside the cabin, i,e, on the coach roof at mast base, use what is known as self emalgamating tape, which unlike insulating tape has no adhesive on it to be effected by weather or moisture. It is a rubbery type which comes with a plastic layer which is removed and discarded when applying the tape.
Apply the tape in the same way as insul tape but overlap by half on each turn, and pull tihgt until it breaks on the last turn, then the tape shrinks and tightens on its self to create a perfect long lasting waterproof seal.
It will have to be sliced off when neccessary to remove it.
You can cover the whole fitting for added effect.
 
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