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MG TD TF 1500 - Wire Gauge (size)

Good day all:

While I constantly struggle, to learn the wiring game, I can never find a chart that specifies the correct gauge for individual wire runs. I just match the exisiting wire(s) hoping that someone, in the past, hasn't done a right cock up.

I also believe the bigger or thicker the wire appears in diametre, the smaller the allotted gauge number. Is that correct ? Then pursuing the gauge query; does anyone possess such a document and can they see their way clear to pass a copy along ?

Finally; is the # 37 wire (brown with white tracer), running from Terminal A of the control box (voltage regulator) to the LH terminal of the voltage meter, quantified as being a 12 gauge wire ?

Someday I may just figure this all out !

Cheers then; respectfully:

Jack Emdall, TD3191, New Westminster, British Columbia, Canada.

kernow

Here:
http://www.britishwiring.com/

Specifically:
http://www.britishwiring.com/CAT02_07.PDF

Old Lucas plus American wire gauge equivalents, in the proper colours yet!

FRM
FR Millmore

Jack - I am not certain of this, but I believe that wire 37 is 65 Strand (American Wire Gauge 10), but it may well be 44 Strand (AWG 12). It would depend on the year TD you have - the early one with the 20 amp ammeter, or the later one with the 30 amp ammeter (I just remember the wire going to the ammeter on our 53 TD being a very heavy wire). A call to British Wiring would probably get you the correct size. Cheers - Dave
David DuBois

Yes, bigger or thicker the wire appears in diametre, the smaller the allotted gauge number.
(Most common 110v household lamps are 14/16 gauge ..if that's helps.)

# 37 wire (brown with white tracer) sure looks like 10 gauge to me on my TF.

David Sheward

I had same questions. I got a decent wire stripper at Home Depot that is also advertised as a "wire gauge". It has about 5 slots for the different gauges which are well marked on the tool. Also different markings for twisted vs. solid core. I just cut a scrap piece when unsure, stripped it in the loosest fitting slot that would do the stripping job and thus learned to ID the wires. From what I understand it's the bare wire that determines the gauge, not the wire with the insulation on it. After a while you learn to ID visually. Maybe this helps?
Ed
efh Haskell

Thanks to all who helped regarding my wire crisis.

I will now have my brother-in-law in Portishead, Bristol, to annoy by seeking out an English wire gauge.

I will also look for one on this side of the lake as a comparison.

Meanwhile; British Wire has come through for me, and the required wire is now on its way.

A grand group, wot we 'ave 'ere; cheers to all.
Respectfully:
Jack Emdall, TD3191, New Westminster, British Columbia, Canada.
kernow

Don't anybody confuse British wire gauges with American ones, or any of the nearly infinite different wire and sheet metal gauges in either system, not to mention the newer metric versions. And don't mix up solid wire with stranded wire. Measure conductors and count strands!

FRM
FR Millmore

This thread was discussed between 24/08/2011 and 26/08/2011

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