Quote:
Originally Posted by Nickthedentist
Ha ha!
I think it means wires for fixed installation made up of a handful of thick strands, as opposed to flex which has many thinner strands. Seems to have been popular over here for domestic wiring until the 1970s from what I've seen. Nicer to deal with than the current T+E stuff IMHO.
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Yes, the 'standard' used to be 3/029 (equivalent to modern 1.5mm - for lighting circuits) and 7/029 (modern equivalent 2.5mm, for power circuits), the 029 bit meaning .029 inch.