Slightly O/T: four-core sheathed cable source?

[who where]

I have a number of olde fluoro desk lamps like this:

http://www.gumtree.com.au/s-ad/mount-colah/bedroom/fluorescent-study-lamp-vintage-orange-silver-gooseneck-30/344154315

where the cable inside the gooseneck has gone intermittent, and I'm
seeking a source of the cable (in less than full roll quantity) to
rehabilitate these lamps. The bore of the gooseneck is such that only
a light-duty sheath over the four cores will fit.

Any suggestions of a source here in Oz?

 

[Jasen Betts]

On 2012-07-23, who where <noone@home.net> wrote:

I have a number of olde fluoro desk lamps like this:

http://www.gumtree.com.au/s-ad/mount-colah/bedroom/fluorescent-study-lamp-vintage-orange-silver-gooseneck-30/344154315

where the cable inside the gooseneck has gone intermittent, and I'm
seeking a source of the cable (in less than full roll quantity) to
rehabilitate these lamps.

what about small rolls?

The bore of the gooseneck is such that only
a light-duty sheath over the four cores will fit.

got a number for the bore size?

Any suggestions of a source here in Oz?

the gooseneck is earthed, right?

how about some 0.5mm^2 hookup wire in a spaghetti tube?

http://nz.element14.com/pro-power/mc6a-16-0-2t3-yw-100/wire-yellow-16-0-2mm-100m/dp/1172957
$20 too much?

--
⚂⚃ 100% natural

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[who where]

On 23 Jul 2012 10:41:03 GMT, Jasen Betts <jasen@xnet.co.nz> wrote:

On 2012-07-23, who where <noone@home.net> wrote:
I have a number of olde fluoro desk lamps like this:

http://www.gumtree.com.au/s-ad/mount-colah/bedroom/fluorescent-study-lamp-vintage-orange-silver-gooseneck-30/344154315

where the cable inside the gooseneck has gone intermittent, and I'm
seeking a source of the cable (in less than full roll quantity) to
rehabilitate these lamps.

what about small rolls?

Maybe.

The bore of the gooseneck is such that only
a light-duty sheath over the four cores will fit.

got a number for the bore size?

The gooseneck is a bees' dick under 9 mm ID. Where the cable comes
out of it and through the "head" the dia is 7.5 mm but that can be
reamed somewhat as/if required.

Any suggestions of a source here in Oz?

the gooseneck is earthed, right?

Nope. These are fig8-fed lamps.

how about some 0.5mm^2 hookup wire in a spaghetti tube?

http://nz.element14.com/pro-power/mc6a-16-0-2t3-yw-100/wire-yellow-16-0-2mm-100m/dp/1172957
$20 too much?

The key is going to be the flexibility. I had toyed with using
heatshrink over two fig8's - which is basically what the original
looks like (a fig8 going from the g/n to each lampholder tombstone) -
but I know that regular heatshrink is going to make it too rigid.

 

[Jasen Betts]

On 2012-07-23, who where <noone@home.net> wrote:

On 23 Jul 2012 10:41:03 GMT, Jasen Betts <jasen@xnet.co.nz> wrote:

On 2012-07-23, who where <noone@home.net> wrote:
I have a number of olde fluoro desk lamps like this:

http://www.gumtree.com.au/s-ad/mount-colah/bedroom/fluorescent-study-lamp-vintage-orange-silver-gooseneck-30/344154315

where the cable inside the gooseneck has gone intermittent, and I'm
seeking a source of the cable (in less than full roll quantity) to
rehabilitate these lamps.

what about small rolls?

Maybe.

The bore of the gooseneck is such that only
a light-duty sheath over the four cores will fit.

got a number for the bore size?

The gooseneck is a bees' dick under 9 mm ID. Where the cable comes
out of it and through the "head" the dia is 7.5 mm but that can be
reamed somewhat as/if required.

Any suggestions of a source here in Oz?

the gooseneck is earthed, right?

Nope. These are fig8-fed lamps.

how about some 0.5mm^2 hookup wire in a spaghetti tube?

http://nz.element14.com/pro-power/mc6a-16-0-2t3-yw-100/wire-yellow-16-0-2mm-100m/dp/1172957
$20 too much?

The key is going to be the flexibility. I had toyed with using
heatshrink over two fig8's - which is basically what the original
looks like (a fig8 going from the g/n to each lampholder tombstone) -
but I know that regular heatshrink is going to make it too rigid.

braided fibreglass spaghetti sleeving instead of heatshrink perhaps?
Jaycar only have 3.6mm, maybe try a lighting/electrical place like Ideal?

--
⚂⚃ 100% natural

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