Seeing as Cable is listed now in mm as well as gauge here is the most poplar sizes, INFO FROM MY SUPPLIER
0.5mm 16/0.20mm Thin Wall Cable
Nominal Current Rating: 11.0 amps Side and tail lights,horn etc
1.0mm 32/0.20mm. 16.5 amps.Side and tail lights,horn etc
2.0mm 28/0.30mm Thin Wall Cable.
Nominal Current Rating: 25.0 amps Head Lamps and Driving Lamps
3.0mm 44/0.30mm Thin Wall Cable.
Nominal Current Rating: 33.0 amps 30-30 amp meters etc
4.5mm 65/0.30mm Thin Wall cable.
Nominal Current Rating: 42.0 amps
6.0mm 84/0.30mm Thin Wall Cable
Alternator circuits etc.
Nominal Current Rating: 50.0 amps Alernator x2 strands and uprated ammeter circuit
ALWAYS CHECK WITH YOUR SUPPLIER ON THEIR CURRENT RATING / BRAND
Edited by KernowCooper, 29 June 2013 - 11:40 PM.