Cables | TAG Overland

A Journal of our Travels

A Journal of our Travels

Fuses should be rated at about 1.5 time the maximum current flow.
Place fuses as close to the power source as possible.
Please note:
Current rating of cable refers to the maximum current the insulation can safely handle.
The cable should be rated for 2-3 times the expected current flow.
Auto wire conductor size will vary considerably depending on manufacturer. Only the outside diameter of the insulation is defined.

AWG - American Wire Gauge
B&S - Brown & Sharpe
SWG - Imperial Standard Wire Gauge - (British Legal Standard)

American Wire Gauge (AWG), also known as the Brown & Sharpe wire gauge, is a logarithmic stepped standardised wire gauge system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, electrically conducting wire. Dimensions of the wires are given in ASTM standard B 258.[1] The cross-sectional area of each gauge is an important factor for determining its current-carrying ampacity.

Cross Section mm Wire Diam mm Size
67.4 mm2 11.1 mm 2/0
35.0 mm2 7.75 mm Metric 35 mm2
33.6308 mm2 6.5437 mm 2 AWG/ 2B&S
26.66 mm2 6.401 mm 3 AWG/B&S
25.0 mm2 5.18 mm Metric 25 mm2
21.15 mm2 5.189 mm 4 AWG/B&S
16.8 mm2 4.621 mm 5 AWG/B&S
16.0 mm2 4.12 mm Metric 16mm2
13.3018 mm2 4.1154 mm 6 AWG/B&S
8.3656 mm2 3.2636 mm 8 AWG/B&S
6.0 mm2 3.21 mm Metric 6mm2
4.0 mm2 2.59 mm Metric 4mm2
3.31 mm2 2.053mm 12 AWG/B&S
2.08mm2 1.63mm 14 AWG/B&S
1.31mm2 1.29mm 16 AWG/B&S
Auto Cable Size Cross Section Strands/Diameter mm Auto Terminal Colour
6mm 4.6mm2 57/.32 or 65/.30 Yellow
5mm 2.9mm2 41/.30 Yellow/Blue
4mm 1.85mm2 26/.30 Blue
3mm 0.85mm2 16/.30 Red/Blue
2.5mm 0.64mm2 Red
2.0mm 0.55mm2 7/.32 Red

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