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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Telephone Extension Kit Recommendation
Can anybody recommend a decent telephone Extension Kit
1) With an extension cable suitable for outdoor use (it's not practical to run the cables internally) 2) Which does not have one of those adapters that you plug into the face of your Master socket. I'd prefer to have the extension concealed rather than a piggy back plug socket that goes straight back outside. Should I get a kit which has it's own little crimping tools like Screwfix 19843 - http://tinyurl.com/5srrm (I'm not intending to do this job again and would like to save money) Lastly am I correct in assuming that the piggy back adapter can be stripped off, and the connection made inside the Master socket? Thanks in advance. |
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Charlie wrote:
Can anybody recommend a decent telephone Extension Kit 1) With an extension cable suitable for outdoor use (it's not practical to run the cables internally) How long do you want this to last? If you're in a place for just a few years (or can tell yourself you'll rewire internally in a few years time), using the 'standard' indoor cable will be OK for that precisely-stated length of time, especially if the run's not out in full sunlight. Your internal cable's coming after a mile or two of BT copper, so none of the signals will care if you route them an extra 10m to go up behind a drainpipe, under an overhang, and down again, in order to stay out of the sundandwindandrain. If you want to do a longer-term job, you can buy cut lengths of external cable at TLC - http://www.tlc-direct.co.uk/Products/CAEXGPO5.html refers, 42p/m, 31.50 the 100m reel. I'd still use some Internal cable and a couple of junction boxes to make the transition from Internal to External - this gel-filled stuff is gooey-gooey and I'd rather keep that gooey out of my master socket. 2) Which does not have one of those adapters that you plug into the face of your Master socket. I'd prefer to have the extension concealed rather than a piggy back plug socket that goes straight back outside. If you have a realio-trulio BT master socket (an NTE5), you'll find it's really rather cunningly designed. The apparent faceplate is really a socket on whose rear is a captive plug which goes into the 'real' socket, along with some punchdown terminals where you attach extension wiring. This both allows a neat routing for extension wiring, and allows you to disconnect all your extensions at one place and plug in a standard phone to the 'real' socket, allowing you to make sure that an apparent fault is really on the BT line and not on your own extension wiring (saving the 40? quid callout charge from BT should they find the fault is in your premises wiring). Should I get a kit which has it's own little crimping tools like Screwfix 19843 - http://tinyurl.com/5srrm (I'm not intending to do this job again and would like to save money) The plastick tool in those kits may just last for one job, or may last only 75% of the way into the one job. Sfix seem to have a metal-ended cheapie - their prod 67571, 1.79quid - but you'll get more joy out of something like their 17402 at 7.99. Your call. Lastly am I correct in assuming that the piggy back adapter can be stripped off, and the connection made inside the Master socket? You may be lucky, but It Depends. If the extension kit's been wired with solid-core, you're in luck, since it's only solid-core which makes a reliable connection in the IDC blades in the back of a master socket. (IDC = 'Insulation Displacement Connector', meaning pushfit for horny-handed phone/data installers: gap between sides of the IDC blade made just-right to cut through insulation of your wires, making a gastight seal (so no long-term corrosion) while gripping and biting a little way into the (softer-than-the-blades) copper core. This is why pushing the wire in with a small screwdriver blade, or using wires of the wrong guage, can cause unreliable connections - the gap between the two sides is quite precisely specced, so spreading it with over-large wires doesn't help the right-sized wires to connect well, while bending them apart has similar oopsie effects). If, though, your Extension Kit uses stranded wires, the IDC connections offered by the back of your master socket won't be reliable. As a cerfified wiring nut, I'd not rely on a kit, but buy a reel of telcom cable or use Cat5 (both of which I have already, natch), and a proper punchdown tool (ditto). All you need to know (and a little more) about UK phone wiring you'll find at http://www.wpp.ltd.uk/ Since the S-fix kit you point to has an IDC tool, that kinda suggests it's wired with solid-core cable, so you could try using that. TLC have all the separate bits you're likely to need, as do many other specifically telecom-oriented online suppliers, and your local electrical trade counter. HTH - Stefek |
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"Charlie" wrote
| Can anybody recommend a decent telephone Extension Kit | 1) With an extension cable suitable for outdoor use (it's not practical | to run the cables internally) None of the extension kits are suitable for use externally and most have very poor quality cable. try www.comtec-comms.com for exterior grade cable. | 2) Which does not have one of those adapters that you plug into the | face of your Master socket. I'd prefer to have the extension concealed | rather than a piggy back plug socket that goes straight back outside. | Lastly am I correct in assuming that the piggy back adapter can be | stripped off, and the connection made inside the Master socket? You can only connect your extension to the customer side terminals on the removable front plate of a Linebox. If you have a slightly older installation with a master socket (NOT a Linebox) then you MUST use a plug-in connector. User installed extension wiring must be disconnectable from the phone line to allow for testing and fault finding. The Linebox incorporates that function. Owain |
#4
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In article .com,
Charlie wrote: Can anybody recommend a decent telephone Extension Kit Not really, since it's easier to just by the individual bits. 1) With an extension cable suitable for outdoor use (it's not practical to run the cables internally) Assuming you can shield it from direct sun and mechanical damage, ordinary telephone cable will have a pretty long life outdoors. 2) Which does not have one of those adapters that you plug into the face of your Master socket. I'd prefer to have the extension concealed rather than a piggy back plug socket that goes straight back outside. And quite right too. Should I get a kit which has it's own little crimping tools like Screwfix 19843 - http://tinyurl.com/5srrm (I'm not intending to do this job again and would like to save money) Trouble is those plastic tools are at best marginal compared to the real thing. I've found they sometimes don't push the cable in fully. Lastly am I correct in assuming that the piggy back adapter can be stripped off, and the connection made inside the Master socket? It would depend on the cable. If it's proper single strand stuff of the correct diameter, yes. But some is stranded and won't make a decent connection. -- *Microsoft broke Volkswagen's record: They only made 21.4 million bugs. Dave Plowman London SW To e-mail, change noise into sound. |
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On 8 Feb 2005 13:37:20 -0800, "Charlie"
strung together this: Can anybody recommend a decent telephone Extension Kit Go to your local electrical wholesalers and get 100m of 2 pair CW1308 and a surface secondary BT socket, maybe some clips and away you go. You could buy a decent punchdown tool as well without spending more than £20 on the lot. -- SJW Please reply to group or use 'usenet' in email subject |
#6
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On Tue, 08 Feb 2005 22:39:53 +0000, Stefek Zaba wrote:
1) With an extension cable suitable for outdoor use (it's not practical to run the cables internally) How long do you want this to last? Even CW1308 appears to last quite well outside. Us kids twisted the parents arm into getting a phone when we left home 25+ years ago. BT installed it with CW1308 around the front of the south facing bay window. It's still there, it still works and AFAIK has never been replaced. Of course they made things better in the past... B-) -- Cheers Dave. pam is missing e-mail |
#7
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In article .com,
Charlie writes Can anybody recommend a decent telephone Extension Kit 1) With an extension cable suitable for outdoor use (it's not practical to run the cables internally) 2) Which does not have one of those adapters that you plug into the face of your Master socket. I'd prefer to have the extension concealed rather than a piggy back plug socket that goes straight back outside. Should I get a kit which has it's own little crimping tools like Screwfix 19843 - http://tinyurl.com/5srrm (I'm not intending to do this job again and would like to save money) Lastly am I correct in assuming that the piggy back adapter can be stripped off, and the connection made inside the Master socket? Thanks in advance. What do you really need? If it's a telephone extension - use cordless phones If it's a data extension - you need to think of other ways of moving the data. Wireless, CAT5a (external south side needs to be shielded from the sun) -- Zaax http://www.ukgatsos.com |
#8
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Stefek Zaba wrote:
little way into the (softer-than-the-blades) copper core. This is why pushing the wire in with a small screwdriver blade, or using wires of the wrong guage, can cause unreliable connections - the gap between the There is a knack to bodging with a screwdriver (when separated from ones trusty old krone), that seems to elude many... As you say, if you stuff the blade of said implement into the gaping mouth of the IDC, you will in all likelihood spread it/knacker it/blunt it. However, if you place the blade of the screwdriver parallel to the IDC contacts, and very close to them, you can push the wire without the screwdriver hitting the blades of the contact at all. The only difference between doing this and using the right tool, is you can only push one side of the wire at a time and hence need to change sizes from time to time to get the wire "home". (works best (i.e. at all) if you select a screwdriver that is narrow enough to fit between to opposing plastic buttresses that support the contact obviously!) -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#9
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zaax wrote:
In article .com, What do you really need? If it's a telephone extension - use cordless phones If it's a data extension - you need to think of other ways of moving the data. Wireless, CAT5a (external south side needs to be shielded from the sun) -- Zaax http://www.ukgatsos.com Zaax, It's my broadband connection so yes it's data that I'm interested. Is CAT5a just a higher grade cable (specifically for only) which is connected up the same way? Charlie |
#10
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On Wed, 09 Feb 2005 00:26:36 -0800, Charlie wrote:
It's my broadband connection so yes it's data that I'm interested. Is CAT5a just a higher grade cable (specifically for only) which is connected up the same way? Charlie Cat5e is Cat5 but tested to a higher level. It's wired in exactly the same way as Cat5 and is good for phones, 100Mbit/s and 1gigabit/sec (and everything in between) if installed within specifications. Tim |
#11
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Can anybody recommend a decent telephone Extension Kit Go to your local electrical wholesalers and get 100m of 2 pair CW1308 and a surface secondary BT socket, maybe some clips and away you go. You could buy a decent punchdown tool as well without spending more than £20 on the lot. Err, should'nt we be telling him about the lightening strikes.....? Dave -- For what we are about to balls up may common sense prevent us doing it again in the future!! |
#12
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On Wed, 09 Feb 2005 21:15:39 +0000, Dave Stanton
strung together this: Go to your local electrical wholesalers and get 100m of 2 pair CW1308 and a surface secondary BT socket, maybe some clips and away you go. You could buy a decent punchdown tool as well without spending more than £20 on the lot. Err, should'nt we be telling him about the lightening strikes.....? Ah, yes. Make sure you wrap it all back up in a lightening storm! -- SJW Please reply to group or use 'usenet' in email subject |
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