2 Gauge Battery Cable Wire Diameter

The n gauge wire diameter d n in millimeters mm is equal to 0 127mm times 92 raised to the power of 36 minus gauge number n divided by 39.

2 gauge battery cable wire diameter. For three our more parallel strings you could reduce by 1 2 cross sectional area 3 awg gauges smaller. 2 awg has 665 strands of copper 30 awg ea strand rope lay class k with an outside diameter of stranded copper at 0 320 inches nominal and an overall outside diameter of finished cable at 0 510 inches nominal. For example for a 12 volt dc system if your load current is 10 amps and your distance of cable is 20 feet your voltage drop would be 1 0 or 11 8 volts at the end of your cable run using a 4 gauge battery cable. Fine stranded stereo wire makes great battery cable giving the best gage wire for proper battery charge.

For one or two parallel strings i would use full size cable for batteries. Wire gauge calculations wire diameter calculations. D n in 0 005 in 92 36 n 39. Battery wire size per voltage amperage load and length chart below shows minimum cable size to use awg wire.

Welding cable tends to be large gauge wire so i think the guys that claim welding cable is the very best stuff to use do so because they are comparing very large 2 0 welding cable to a small 2 gauge battery cable. They don t really understand why it s better. The fine stranded wire will pass more amperage than course stranded wire that has a lower strand count. Wire sizing for battery interconnecting cables 2 0 or 4 0.

Again my personal opinion. But and there is always a but what if yes those fancy words what if one or more of the strings of batteries goes offline or fails due to a flaky connection a battery fails or just cause. Battery cables grounding 2 gauge black and red 120 in. Now technically one does not have to wire each string series of batteries with the 2 0 wire as you did a simple 8ga wire would should do.

Negative cable length kit not yet reviewed part number. Our battery cable is american made and comes in gauge awg sizes of 6 4 2 1 1 0 2 0 3 0 and 4 0 with 6 gauge being the smallest and 4 0 gauge being the largest. Battery cable is used to power your electrical system and is sized according to the american wire gauge or awg for short specification for electrically conductive cables.