Battery Cable Wire Gauge Chart

More accurately what gauge awg.

Battery cable wire gauge chart. The fine stranded wire will pass more amperage than course stranded wire that has a lower strand count. Choose a higher ambient temperature when conductors are expected to pass through. Automotive wire and cable. Battery wire size per voltage amperage load and length chart below shows minimum cable size to use awg wire.

Battery cable 6 gauge to 4 0 awg. They don t really understand why it s better. A battery bank for an off grid solar powered alternative energy system will consist of a number of batteries and their interconnecting terminal cables. A size of 4 0 364 30 indicates the gauge size as well as the strand count.

Part number catalog number awg size stranding minimum wall thickness nominal o d. Strands x sbc inches mm inches mm color put up. How big should the cables be. 4 0 364 30 simply refers to a 4 awg cable made with 364 strands of 30 awg wire.

Voltage system allowing a 20 voltage drop. Fine stranded stereo wire makes great battery cable giving the best gage wire for proper battery charge. The wire size listed in the graph at the intersection denotes the gauge of wire to use. Choosing the correct gauge automotive wire depends on the acceptable voltage drop length of the feeder branch circuit conductor load amperage and the ambient temperature of the compartment where the primary wire will pass through.

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. Now your voltmeter at the other end of your battery cable will read 10 8 volts 12 volts 10 and that same 100 amp current draw will cause your battery cable to absorb 120 watts 10 amps of power leaving only 90 amps available. 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. Find the current consumption of the load on the horizontal axis of the chart.

Battery cable load charts length to load these charts will show length in feet. Battery cable 6 gauge to 4 0 awg. Aside from using the american wire gauge or sae wire gauge systems certain automotive cable manufacturers will use three numbers for the wire gauge sizes. Battery cableis used to power your electrical system and is sized according to the american wire gauge or awg for short specification for electrically conductive cables.

Outside engine compartments the ambient temperature should generally be 20 c. Find the length of the circuit on the vertical axis of the chart noting that the length is the round trip distance from the panel or battery to the load and back.