Not all jumper cables are created equal.
Jumper cable gauge wire size.
Abn jumper cables 25ft long 2 gauge 600 amp commercial automotive vehicle booster cables motorcycle car atv 4 7 out of 5 stars 633 29 49 29.
The n gauge wire diameter d n in inches in is equal to 0 005in times 92 raised to the power of 36 minus gauge number n divided by 39.
Given the information we already have a 1 gauge jumper cable is a pretty heavy duty while a 12 is considerably lighter.
Best jumper cable size gauge the thing with wire size is this.
Actually for my current installation i ve sized all of my dc cables to meet the 175 amp worst case scenario.
Thicker wire carries more power allowing you to jump start larger batteries.
Larger vehicles need cables designated as 2 or 4 gauge.
Cartman booster cable 4 gauge x 20ft in carry bag 4awg x 20ft ul listed.
Wire gauge calculations wire diameter calculations.
D n in 0 005 in 92 36 n 39.
American wire gauge size calculator and chart.
This allows you to connect the two batteries together without stretching.
So what do you need to consider when choosing a set of jumper cables.
Most jumper cables on the market measure 10 feet.
A low number means thicker wire.
In other words a typical car starter requires a lot.
Seeing a nice thick pair or jumper cables at the store marked heavy duty can be deceiving what you really need to look at is the gauge of the cables themselves.
In this article we will show you some key factors to consider before buying a set of jumper cables.
They are suitable for use in very cold conditions and have ergonomic twice grip clamps for excellent conductivity and tension.
According to popular mechanics you should look for a set of jumper cables that are between gauge sizes four and six you also want to look for jumper cables that are about 20 feet long just in case you can t park your car close enough to another vehicle.
As far as i know these values are valid as of today.
So all interconnecting cables are 2 0 based on the chart below.
When starting a car engine it is amazing how much power gets sucked from the battery.
Cheaper jumper cables usually have 10.
The 4 gauge cables are well insulated and don t tangle.
Cable size ampacity chart.
The gauge refers to the thickness of the wiring in the jumper cables.
An all round reliable and robust car jumper cables suitable for 12 24 volt batteries.
An average set of jumper cables should have wire that is 6 or 8 gauge.
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.
So a typical range of jumper cables will run from a 1 gauge to a 12 gauge wire.
This is ideal for saloon cars but if you have a larger car look at the 20 to 25 foot jumper cables.
The smaller the wire diameter the less power it can handle.
A higher number gauge is not better.