tv coax plugs

Hello,

I know to use f plugs wherever possible but I need a coax plug to connect at the back of the tv. I had a quick look on the CPC web site but they sell aluminium plugs, nickel plated zinc plugs, and plated brass plugs. Are they all the same or is one better than the others?

Thanks, Stephen.

Reply to
Stephen
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In real terms, there isn't much difference. The typical Belling Lee style TV plug is pretty grim as connectors go but, as they tend to be only plugged/unplugged once in a while, it doesn't make much difference.

I use whatever I have to hand, mainly aluminium as I happened to pick up a stock of them for free.

You can get converters so you can use F plugs but, in all honesty, they can be pretty grim as well, if no fitted correctly. I carry some in my motorhome as some caravan sites use F sockets on the TV distribution system and the adaptors are sometimes missing.

I was lucky enough to pick up some nice pre-made F leads for free which are about a metre long, which I use between the wall plates and the satellite receivers here.

Reply to
Brian Reay

Why do punters invariably put the cable grip on upside down?

but, as they tend to be

Reply to
MacDonald

The plated brass plugs tend to be best IME. CPC also do some quite decent "screw on" belling lee style plugs that you fit in a similar way to an F connector.

Reply to
John Rumm

I think the real choice is the solder type for the central conductor or the ones that have a screw to hold it rather than solder. Of course in practice I guess most in use are solder type but not soldered. Regards David

In real terms, there isn't much difference. The typical Belling Lee style TV plug is pretty grim as connectors go but, as they tend to be only plugged/unplugged once in a while, it doesn't make much difference.

Reply to
David

Indeed, a slight kink in the centre wire and it just makes a rubbing contact with the plug's pin.

Reply to
charles

Agreed - I bought some plugs from Wilko, as I was desperate for them, and they were useless as the aluminium had no 'spring'. Got som brass ones asap and they've been OK for several years.

Reply to
PeterC

Try to avoid the ally ones as they can get very grotty after a while if there is any kind of humidity about.

Brian

Reply to
Brian-Gaff

Not just punters. I corrected some in my daughters house fitted by a self-styled "AV Consultant".

Reply to
Graham.

Because there are no instructions with it when you buy one?

Perhaps I am one of those who fits them upside down, because I have never seen anything resembling an installation diagram or fitting instructions.

There is a continuous end and a segmented end. I have always fitted the segmented end farthest away from the connection end. Am I right or wrong?

Jim

Reply to
Indy Jess John

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Reply to
Davey

We were taught how to fit them properly at college some 15 years ago as part of out very first practical exam' along with fitting 13A plugs.

The segmented end faces away from the plug tip.

Reply to
MacDonald

I can understand the mistake of fitting the cable grip upside down, given that the cylindrical metal shroud of the plug often has a conical indentation at the cable end into which the conical end of an upside-down cable clamp fits nicely. I've even seen plugs with the clamp already inserted upside down so a punter would naturally assume that when he has removed it to fit onto the cable it should remain in that orientation.

I've never heard of soldering the central core to the centre pin of the plug. I was told to use fine-nosed pliers to crimp a slight kink in the core so it will make good contact with the inside of the centre pin.

Reply to
NY

The BBC booklet TV Tansmiiting stations used to publish a re-drawn Belling Lee picture.

The segmented end should grip on the braid when the connector is screwed together, Segmented end away from the central pin.

Reply to
Charles Hope

Reply to
Charles Hope

In message , Davey writes

Images 9 (the one with the fingers) and 10 are wrong. The braid of the coax should be splayed out radially, lightly sandwiched between the clamp and the body, trimmed to very slightly more than the diameter of the clamp - and then the 'nut' tightened up.

That said, I have been known to do it the way shown - especially when I found myself making a right pig's ear of the proper way!

Reply to
Ian Jackson

I've always done them that way if I had a soldering ioron handy

Reply to
The Natural Philosopher

In message , Charles Hope writes

I've only kinked the inner when I didn't have a soldering iron at hand - and then it was a sufficiently kinky kink to require a very firm push to insert it through the pin.

Reply to
Ian Jackson

I've rarely been able to get the inner straight enough that it didn't.

Reply to
Norman Wells

No it shouldn't. The segmented end grips the outer insulation. The braid goes right through the segmented piece and out of the plain end, where it is splayed out like a chimney sweep's brush, then trimmed into a circle. When the nut is tightened, it forces the segmented piece to grip the insulation, at the same time pressing the plain end to grip the sweep's brush between it and the plastic that holds the centre pin.

Reply to
Dave W

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