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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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#1
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Colour flagging of wires
On this subject I'm surprised wholesalers don't sell Hellerman sleeving in
the right colours and sizes for identification - much better than a bit of PVC which can fall off. -- *The most wasted day of all is one in which we have not laughed.* Dave Plowman London SW To e-mail, change noise into sound. |
#2
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Colour flagging of wires
In article ,
"Dave Plowman (News)" writes: On this subject I'm surprised wholesalers don't sell Hellerman sleeving in the right colours and sizes for identification - much better than a bit of PVC which can fall off. It needs a tool to get it on (and ideally some sleave oil). Too slow/fiddly/expensive for something the trade seems to consider as a waste of time. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
#3
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Colour flagging of wires
Andrew Gabriel formulated the question :
In article , "Dave Plowman (News)" writes: On this subject I'm surprised wholesalers don't sell Hellerman sleeving in the right colours and sizes for identification - much better than a bit of PVC which can fall off. It needs a tool to get it on (and ideally some sleave oil). Too slow/fiddly/expensive for something the trade seems to consider as a waste of time. I'm surprised no one uses those white slide on tags as used in panels, with letters/numbers printed on them in black. Two tags marked S and W, to make up SW for switch wire -would leave no one in any doubt. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#4
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Colour flagging of wires
In article ,
Andrew Gabriel wrote: In article , "Dave Plowman (News)" writes: On this subject I'm surprised wholesalers don't sell Hellerman sleeving in the right colours and sizes for identification - much better than a bit of PVC which can fall off. It needs a tool to get it on (and ideally some sleave oil). Too slow/fiddly/expensive for something the trade seems to consider as a waste of time. The right size will slip on with a bit of spit ;-) - secure enough not to fall off afterwards. -- *A journey of a thousand sites begins with a single click * Dave Plowman London SW To e-mail, change noise into sound. |
#5
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Colour flagging of wires
In article ,
Harry Bloomfield writes: I'm surprised no one uses those white slide on tags as used in panels, with letters/numbers printed on them in black. Two tags marked S and W, to make up SW for switch wire -would leave no one in any doubt. When I was redoing the lighting in a house for home-automation (all lighting points and switch cables run to a central wiring point, a bit like cat5 cabling), I found biro writes very nicely on white PVC sheath, and labelled all the wires that way. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
#6
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Colour flagging of wires
"Andrew Gabriel" wrote in message ... In article , Harry Bloomfield writes: I'm surprised no one uses those white slide on tags as used in panels, with letters/numbers printed on them in black. Two tags marked S and W, to make up SW for switch wire -would leave no one in any doubt. When I was redoing the lighting in a house for home-automation (all lighting points and switch cables run to a central wiring point, a bit like cat5 cabling), I found biro writes very nicely on white PVC sheath, and labelled all the wires that way. Andrew Gabriel And a 10p Biro does thousands of cables. :-) |
#7
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Colour flagging of wires
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Harry Bloomfield saying something like: I'm surprised no one uses those white slide on tags as used in panels, with letters/numbers printed on them in black. Two tags marked S and W, to make up SW for switch wire -would leave no one in any doubt. For a wire which will, in all probability, never be looked at again? Get real. Such things are useful in control panels for plant, where the opening of the lid more than once and someone rooting around fixing a fault is very likely during the lifetime of the equipment. |
#8
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Colour flagging of wires
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember (Andrew Gabriel) saying something like: When I was redoing the lighting in a house for home-automation (all lighting points and switch cables run to a central wiring point, a bit like cat5 cabling), I found biro writes very nicely on white PVC sheath, and labelled all the wires that way. I generally use a tab of white insulating tape and a CD marker, if it's a jb or fitting I'll be coming back to, sometimes weeks later. |
#9
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Colour flagging of wires
Andrew Gabriel wrote:
In article , "Dave Plowman (News)" writes: On this subject I'm surprised wholesalers don't sell Hellerman sleeving in the right colours and sizes for identification - much better than a bit of PVC which can fall off. It needs a tool to get it on (and ideally some sleave oil). ....and probably doesn't meet BS 2848 (or its harmonised EN equivalent) as required by BS 7671. For a long time I used 2 mm i/d silicone rubber sleeving for this purpose - e.g. RS stock code 399-445. It complies with the standard, pushes nicely on to a 1.0 or 1.5 mm^2 conductor without special tools, stays put and looks neat. However I've been unable to source this material in brown and blue at anything like a sensible price. RS told me they had no plans to introduce those colours. Siegrist Orel were surprisingly unhelpful, wanting a large MOQ and a small order surcharge - GBP 70+ for 20 m of sleeving seemed just a little OTT! So I've taken to using heatshrink - but if anyone knows of a source of brown & blue silicone in small quantity, sensibly priced, I'd be most interested to hear. -- Andy |
#10
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Colour flagging of wires
I wrote:
[Re. Hellerman (Helsyn) sleeves] ...and probably doesn't meet BS 2848 (or its harmonised EN equivalent) as required by BS 7671. Sorry, ignore that bit - complete bollo. BS 2848 (now BS EN 60684 series) is only mandated for earth sleeving. Colour marking sleeving needs to meet BS 3858, which I've just looked up. It covers Hellerman type sleeving (polychloroprene), PVC and silicone types. For a long time I used 2 mm i/d silicone rubber sleeving for this purpose - e.g. RS stock code 399-445. It complies with the standard, pushes nicely on to a 1.0 or 1.5 mm^2 conductor without special tools, stays put and looks neat. However I've been unable to source this material in brown and blue at anything like a sensible price. RS told me they had no plans to introduce those colours. Siegrist Orel were surprisingly unhelpful, wanting a large MOQ and a small order surcharge - GBP 70+ for 20 m of sleeving seemed just a little OTT! So I've taken to using heatshrink - but if anyone knows of a source of brown & blue silicone in small quantity, sensibly priced, I'd be most interested to hear. Stet. -- Andy |
#11
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Colour flagging of wires
In article ,
Andy Wade wrote: [Re. Hellerman (Helsyn) sleeves] ...and probably doesn't meet BS 2848 (or its harmonised EN equivalent) as required by BS 7671. Sorry, ignore that bit - complete bollo. BS 2848 (now BS EN 60684 series) is only mandated for earth sleeving. Colour marking sleeving needs to meet BS 3858, which I've just looked up. It covers Hellerman type sleeving (polychloroprene), PVC and silicone types. Good - I'd not use it for earth sleeving anyway as that's ok. Just to inform others RS components etc stock Hellerman sleeving in suitable sizes and colours. Comes in packs of 100 about an inch long - so only suitable for identification in this application. -- *He who laughs last, thinks slowest. Dave Plowman London SW To e-mail, change noise into sound. |
#12
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Colour flagging of wires
In article ,
"Dave Plowman (News)" writes: In article , Andy Wade wrote: [Re. Hellerman (Helsyn) sleeves] ...and probably doesn't meet BS 2848 (or its harmonised EN equivalent) as required by BS 7671. Sorry, ignore that bit - complete bollo. BS 2848 (now BS EN 60684 series) is only mandated for earth sleeving. Colour marking sleeving needs to meet BS 3858, which I've just looked up. It covers Hellerman type sleeving (polychloroprene), PVC and silicone types. Good - I'd not use it for earth sleeving anyway as that's ok. Just to inform others RS components etc stock Hellerman sleeving in suitable sizes and colours. Comes in packs of 100 about an inch long - so only suitable for identification in this application. I bought mine from Farnell. CPC do some too, but annoyingly don't do the sleeve oil. I used to by it in tiny jars that lasted me 5 or more years. Last time, I could only find it in a large bottle, but at least I don't ever envisage having to buy any more in my lifetime. The sleeving all has use-by dates on it. Some of mine is now 15+ years past the dates, but it still seems OK. I make a point of storing it in the dark (I've noticed used pieces can deteriorate in sunlight). -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
#13
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Colour flagging of wires
In article ,
Andrew Gabriel wrote: Just to inform others RS components etc stock Hellerman sleeving in suitable sizes and colours. Comes in packs of 100 about an inch long - so only suitable for identification in this application. I bought mine from Farnell. CPC do some too, but annoyingly don't do the sleeve oil. I used to by it in tiny jars that lasted me 5 or more years. Last time, I could only find it in a large bottle, but at least I don't ever envisage having to buy any more in my lifetime. I decant it into one of those squeeze 'syringes' you get with printer ink refill kits. Ideal for applying a small amount and don't spill if knocked over. The sleeving all has use-by dates on it. Some of mine is now 15+ years past the dates, but it still seems OK. I make a point of storing it in the dark (I've noticed used pieces can deteriorate in sunlight). Yes - like all rubber products it will suffer to some extent from light exposure. But seems to last well inside a backing box,etc. I've been using it for 30 years or so and it survives ok in this application. -- *If you don't pay your exorcist you get repossessed.* Dave Plowman London SW To e-mail, change noise into sound. |
#14
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Colour flagging of wires
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember (Andrew Gabriel) saying something like: Just to inform others RS components etc stock Hellerman sleeving in suitable sizes and colours. Comes in packs of 100 about an inch long - so only suitable for identification in this application. I bought mine from Farnell. CPC do some too, but annoyingly don't do the sleeve oil. One bloke I worked with had the charming habit of simply spitting into the sleeve. It worked, too. |
#15
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Colour flagging of wires
In article
, Andy Dingley wrote: The sleeving all has use-by dates on it. Some of mine is now 15+ years past the dates, but it still seems OK. I make a point of storing it in the dark (I've noticed used pieces can deteriorate in sunlight). Ozone and nitrous oxides will hurt it too. Keep it away from HT electrics, laser printers etc. Simple moisture doesn't help either, although much less rapidly. Keep it in a tin with a bit of silica gel and it lasts for years (I'm reworking '50s vintage ex-RAF kit and the rubbers are still OK). Of course the alternative PVC ain't perfect either - although of course it survives well in normal domestic use. But PVC wiring in cars cracks and falls apart after not that many years where it's exposed to heat and vibration. -- *I don't suffer from insanity; I enjoy every minute of it. Dave Plowman London SW To e-mail, change noise into sound. |
#16
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Colour flagging of wires
In article ,
Grimly Curmudgeon wrote: We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember (Andrew Gabriel) saying something like: Just to inform others RS components etc stock Hellerman sleeving in suitable sizes and colours. Comes in packs of 100 about an inch long - so only suitable for identification in this application. I bought mine from Farnell. CPC do some too, but annoyingly don't do the sleeve oil. One bloke I worked with had the charming habit of simply spitting into the sleeve. It worked, too. Have to admit that's what I use for sleeving domestic cable. Works fine if you use the right size sleeve. But for electronic stuff where it's likely a tighter fit you still need the correct lubricant. -- *Always drink upstream from the herd * Dave Plowman London SW To e-mail, change noise into sound. |
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