Appendix F: Wire and Lug Sizing
F.1 Wire Sizing Chart
We’ve provided the table below for convenience; it only lists common sizes and lengths in the context of
wiring a battery pack. For a more complete guide, we recommend Blue Sea System’s page on choosing the
correct wire size for a DC circuit.
For lengths of wire less than six feet (1.8 meters):
F.2 Battery Bus Bar Sizing Chart
If your batteries did not come with bus bars, they may be fashioned from ¾” wide copper bar material (110
alloy is 99.9% pure is recommended). Use the chart below to determine the correct thickness.
Note that these are general guidelines and may not be appropriate in all circumstances.