unknowns in fezder's request to be more specific.
I interpreted Fezder's request to be standard hook up wire.
yes, what is used in breadboarding, like what i believe is called ''wire-wrap'' only i know it's not precisely wire-wrap, as if i'm not mistaken wire-wraps are around 30awg and with very thin insulation.
This hook-up cable i'm running short of is indeed 22awg (but i thing 24 awg is good also) tinned copper, at least there is pure copper in center but silverish coating, like in computer cables.
Some markings that might be useful at cable: 80'c (temperature rating) 300v (voltage rating, no way i'm putting nothing near mains in these lol....just saying) that was was 22ag solid
22awg stranded has same markings, but as extra awl type 1007, (dunno what that means)
as for 18awg and 16 awg, i'm looking for computer cables as they seem to do just fine in that application and POSSIBLY (need verification from you guys) in automotive installations.
markings in these computer cables (BOTH 18 AND 16AWG) : AWM 1007 18AWG VW-1 80'C 300V E77981 WONDERFUL-D LL43774
i can stock good variety of silicone cable for more flexible stuff but gladly of course hear if there is good shop you guys know for range 16mm2->0.5mm2 (sorry, not sure but awg is probadly something around 6/8?-24awg